# Qrunning is manufacturer of wires and cables in china > Qrunning Cable Focusing on the Research, Development, Production, and Sales of Wires and Cables. ## Posts - [About Mineral Insulated Cables (MI Cables)](https://www.qrunningcable.com/about-mineral-insulated-cables-mi-cables): Five Major Application Scenarios of MI Cables Mineral Insulated (MI) cables are widely used in critical environments requiring high reliability, fire resistance, and safety. Their five major applications include: 1) Emergency power systems in hospitals and data centers; 2) Fire alarm systems and evacuation lighting in high-rise buildings; 3) Power supply for oil & gas... - [7 Core Differences Between Photovoltaic Cables and Ordinary Cables](https://www.qrunningcable.com/7-core-differences-between-photovoltaic-cables-and-ordinary-cables): Comparison of 7 Core Differences Photovoltaic (PV) cables are engineered specifically for solar power systems and differ significantly from ordinary cables in multiple performance aspects. The following table outlines seven core distinctions: Attribute Photovoltaic Cables Ordinary Cables 1. Temperature Resistance -40℃ to +120℃ (long-term), peak 150℃ -15℃ to +70℃ 2. UV Protection Excellent, designed for... - [Flame-Retardant Cables vs. Fire-Resistant Cables: The Right Choice for Fire Safety Scenarios](https://www.qrunningcable.com/flame-retardant-cables-vs-fire-resistant-cables-the-right-choice-for-fire-safety-scenarios): Core Difference Comparison Understanding the distinction between flame-retardant and fire-resistant cables is essential for choosing the correct type for fire safety scenarios. The following table compares these two cable types across key attributes: Attribute Flame-Retardant Cable (ZR) Fire-Resistant Cable (NH) Fire Protection Objective Prevent flame spread Maintain circuit integrity under fire Testing Standard GB/T 18380,... - [Essential Guide to Outdoor Cable Installation](https://www.qrunningcable.com/essential-guide-to-outdoor-cable-installation): Cable Selection Strategies for Outdoor, Industrial, and Harsh Environments When installing cables in demanding outdoor or industrial settings, it’s critical to select products designed to withstand water exposure, UV radiation, and mechanical stress. Optimal cables feature multi-layer protection, including water-blocking layers, UV-resistant sheaths, and armor or reinforced jackets to prevent cuts or crushing during installation... - [PVC vs XLPE: Which Insulation Material Is Better for Your Project?](https://www.qrunningcable.com/pvc-vs-xlpe-which-insulation-material-is-better-for-your-project): Core Feature Comparison: PVC vs XLPE Choosing between PVC (Polyvinyl Chloride) and XLPE (Cross-linked Polyethylene) requires understanding their performance in key parameters. The table below summarizes critical factors to guide your decision: Feature PVC XLPE Temperature Resistance Up to 70°C (continuous) Up to 90°C (continuous), 250°C (short-circuit) Dielectric Strength Good Excellent Short-Circuit Withstand Moderate High... - [Selecting the Appropriate Cable Cross-Section Area Based on Current Load](https://www.qrunningcable.com/selecting-the-appropriate-cable-cross-section-area-based-on-current-load): Why is selecting the appropriate cross-section area critical? Incorrect cable sizing leads to overheating, voltage drops, short-circuit risks, and reduced cable lifespan. For instance, using 1.5 mm² cable for air conditioning during home renovation often triggers circuit breakers due to insufficient load capacity. In contrast, choosing a 4 mm² cable for a 25A load ensures safe operation.... - [Qrunning Cable Center Laboratory Accredited by China National Accreditation Service for Conformity Assessment (CNAS)](https://www.qrunningcable.com/qrunning-cable-center-laboratory-accredited-by-china-national-accreditation-service-for-conformity-assessment-cnas): Recently, the Central Laboratory of Qrunning Cable successfully passed the assessment by the China National Accreditation Service for Conformity Assessment (CNAS) and was awarded the CNAS accreditation certificate (Certificate No.: L23155). This accreditation review was conducted strictly in accordance with ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria... - [DIY Cable Installation Tool Alternatives (Emergency Scenarios)](https://www.qrunningcable.com/diy-cable-installation-tool-alternatives-emergency-scenarios): Emergency Cable Installation Scenarios and Temporary Material Alternatives In emergency conditions—such as power outages, post-disaster recovery, remote-site equipment failure, or a sudden breakdown during installation—standard tools like crimping pliers, insulation strippers, or cable testers may not be available. Under such circumstances, alternative materials and creative methods become vital for continuity and safety. For instance, when... - [Installation and Safety Management of Temporary Cables](https://www.qrunningcable.com/installation-and-safety-management-of-temporary-cables): Scenarios Requiring Temporary Cable Installation Temporary cables are essential in dynamic environments where fixed electrical wiring is impractical or unavailable. These include construction sites, outdoor events, disaster recovery operations, and emergency power restoration. They offer quick and flexible deployment but must comply with safety and performance standards to prevent electrical hazards and ensure uninterrupted power... - [The function of water-resistant cables](https://www.qrunningcable.com/the-function-of-water-resistant-cables): Application Environments, Basic Principles, and Structural Design of Water-Resistant Cables Water-resistant cables are designed for environments where moisture, water ingress, or high humidity pose risks to cable performance and service life. Applications include underground installations, underwater cables, wind farms, and outdoor power grids. The structural design principle is to block or resist the entry and... - [The Halogen-Free Structure Principle of Eco-Friendly Cables](https://www.qrunningcable.com/the-halogen-free-structure-principle-of-eco-friendly-cables): What is True “Halogen-Free”? According to the IEC 60754-1 standard, a cable is considered truly halogen-free if it emits less than 0.5% hydrogen halide gas when burned. This means materials must contain no fluorine, chlorine, bromine, or iodine. True halogen-free cables reduce toxic gas emissions and corrosion in case of fire, protecting human health and... - [The Relationship Between the Crosslinking Degree of Insulation Layers and Temperature Resistance Ratings](https://www.qrunningcable.com/the-relationship-between-the-crosslinking-degree-of-insulation-layers-and-temperature-resistance-ratings): The Chemical Essence of Crosslinking: What is “Crosslinking”? Crosslinking is a chemical process where polyethylene (PE) polymer chains bond with each other through covalent links—typically carbon-carbon (C-C) bonds—to form a three-dimensional network. Linear PE consists of independent polymer chains, while crosslinked PE (XLPE) forms an interconnected matrix, enhancing thermal, mechanical, and chemical stability, making it... - [The Nature of the Tight Compression Process: Why Compress Conductors?](https://www.qrunningcable.com/the-nature-of-the-tight-compression-process-why-compress-conductors): Conventional Round Conductors vs Compacted Conductors? Traditional round conductors are made by simply twisting wires together, resulting in small air gaps between strands. Tight compression—through processes like rolling or die-compression—minimizes these gaps, allowing for more conductor material in the same cross-sectional area. This results in a 15% to 20% increase in space utilization, significantly enhancing... - [Qrunning Cable successfully passed the 2025 Electric Power (Beijing) Product Certification.](https://www.qrunningcable.com/qrunning-cable-successfully-passed-the-2025-electric-power-beijing-product-certification): Recently, a three-member expert audit team from the Beijing Electric Power Certification Center (PCCC) conducted a three-day on-site product certification audit at Qrunning Cable. Through comprehensive evaluations including document reviews, on-site inspections of production lines, and process traceability assessments, the company successfully passed the audit and officially obtained the PCCC Product Certification Certificate. This PCCC... - [What do you know about cable fillers](https://www.qrunningcable.com/what-do-you-know-about-cable-fillers): The central role of fillers: why can’t cables be “hollow”? Fillers in cables are not just for appearance—they are essential to structure. When multiple conductors are stranded together, they leave natural gaps. Fillers occupy these voids, maintaining the cable’s round shape, preventing internal shifting, and ensuring uniform pressure distribution during insulation and jacketing. Without fillers,... - [Identifying and Avoiding the Hidden Costs of Insufficient Cable Length](https://www.qrunningcable.com/identifying-and-avoiding-the-hidden-costs-of-insufficient-cable-length): Insufficient cable length might seem like a minor oversight, but it can lead to a cascade of hidden costs across installation, performance, safety, and long-term operations. These issues are often not obvious until the cable is in use, at which point rectifying them becomes expensive and time-consuming. The following sections outline the key areas where... - [Qrunning Cable successfully held its 2024 Annual General Meeting of Shareholders.](https://www.qrunningcable.com/qrunning-cable-successfully-held-its-2024-annual-general-meeting-of-shareholders): On April 22, 2025, Qrunning Cable Co., Ltd. held its 2024 Annual General Meeting of Shareholders in the first-floor conference room of the company’s administration building. The meeting was conducted through a combination of on-site voting and online voting. More than 20 participants attended the on-site meeting, including major shareholders’ representatives, members of the Board... - [What is pre-embedded cable?](https://www.qrunningcable.com/what-is-pre-embedded-cable): Pre-embedded cable refers to the practice of laying cables in their designated positions and protecting them during the construction of buildings, roads, bridges, and other engineering projects, prior to concrete pouring or soil backfilling. This construction method avoids damage caused by subsequent excavation, improves construction efficiency, and ensures cable safety. The following are the key... - [Guide to selecting cables for different climates](https://www.qrunningcable.com/how-to-select-cables-for-different-climates): When selecting cables for different climatic conditions, it is essential to comprehensively consider factors such as temperature, humidity, ultraviolet radiation, ice and snow loads, and chemical corrosion to ensure the long-term reliability and safety of the cables. The following is a cable selection guide for different climate types: High-temperature dry climate (e.g., deserts, tropical arid... - [How to Prevent Cables from Tangling or Twisting in Pipes?](https://www.qrunningcable.com/how-to-prevent-cables-from-tangling-or-twisting-in-pipes): Cable tangling or twisting during pipe installation can lead to serious consequences, especially in medium to high voltage power cable projects. These issues not only cause unnecessary friction and mechanical stress, but can also result in insulation damage, reduced cable lifespan, signal interference, and costly delays in construction schedules. Improper installation may even lead to... - [How to Correctly Calculate the Bending Radius of a Cable?](https://www.qrunningcable.com/how-to-correctly-calculate-the-bending-radius-of-a-cable): The bending radius (Bending Radius) of a cable is one of the most easily overlooked yet critically important parameters during installation. If the bending radius is too small, it may cause damage to the internal structure of the cable, affecting performance and even shortening its service life. Understanding the Consequences of Incorrect Cable Bending Radius... - [A team feast that unleashes vitality](https://www.qrunningcable.com/a-team-feast-that-unleashes-vitality): In this season of spring, the company held a unique barbecue camping event on April 18. This event not only provided everyone with an opportunity to relax and enhance relationships, but also demonstrated our team’s cohesion and vitality. On the day of the event, the sun was shining brightly, and a gentle breeze blew across... - [STA VS SWA: How to Choose the Type of Cable Armouring You Need](https://www.qrunningcable.com/sta-vs-swa-how-to-choose-the-type-of-cable-armouring-you-need): STA vs SWA Armored Cables: Structural Differences Illustrated STA (Steel Tape Armored) and SWA (Steel Wire Armored) cables differ significantly in structure. STA cables feature multiple layers, including a steel tape layer that is helically wrapped around the cable core, offering protection mainly against compression. In contrast, SWA cables use individual galvanized steel wires wound... - [Qrunning Cable Releases 2024 Annual Report: Revenue and Profit Increase for Three Consecutive Years](https://www.qrunningcable.com/qrunning-cable-releases-2024-annual-report-revenue-and-profit-increase-for-three-consecutive-years): On March 27, Qrunning Cable convened the 11th meeting of the 5th Board of Directors, during which the 2024 Annual Report and related proposals were reviewed and approved. On March 28, the company officially released the 2024 Annual Report on the information disclosure platform of the Beijing Stock Exchange. According to the annual report, during... - [What is the difference between MV cable and HV cable](https://www.qrunningcable.com/what-is-the-difference-between-mv-cable-and-hv-cable): What is the HV (High Voltage) Cable? High Voltage (HV) cables are specifically designed to carry electricity at higher voltages, typically above 1 kV (kilovolt). These cables are integral to transmitting power over long distances, from power plants to distribution networks. In industries such as energy, transportation, and telecommunications, HV cables are crucial to the... - [What is the Life Expectancy of a Medium Voltage Cable?](https://www.qrunningcable.com/what-is-the-life-expectancy-of-a-medium-voltage-cable): Reliable Medium Voltage Cable Manufacturer for Global Power Projects Medium Voltage Cable (MV cable) is widely used to transmit electricity between 1kV and 35kV, ensuring safe and stable power distribution for industrial plants, construction projects, and national grids. As a leading manufacturer with over 30 years of experience, QRUNNING provides premium quality MV cables with... - [Qrunning Cable Wins Three Awards](https://www.qrunningcable.com/qrunning-cable-wins-three-awards): Recently, the 14th China Intelligent Manufacturing Summit Forum and the 22nd Annual China Intelligent Manufacturing Year-End Awards Ceremony, hosted by e-works Digital Enterprise Network, was grandly held in Beijing. This prestigious event, which brought together industry elites, academic experts, and leading benchmark enterprises, witnessed Qrunning Cable winning three major awards for its outstanding practices and... - [Qrunning Cable has been awarded a contract worth approximately RMB 533 million for projects related to the Southern Power Grid.](https://www.qrunningcable.com/qrunning-cable-has-been-awarded-a-contract-worth-approximately-rmb-533-million-for-projects-related-to-the-southern-power-grid): On March 18, Qrunning Cable Co., Ltd. (Ningbo Qrunning Cable Co., Ltd.) announced that it had recently received Bid-Winning Notices from China Southern Power Grid Supply Chain Group and State Grid Corporation of China for several related projects. In total, the company secured bids amounting to RMB 533 million for power grid projects. According to... - [Honored as an Excellent Supplier of Ningbo Rail Transit in 2024](https://www.qrunningcable.com/honored-as-an-excellent-supplier-of-ningbo-rail-transit-in-2024): Recently, Qrunning Cable was honored with the “2024 Excellent Supplier” plaque awarded by Ningbo Yongying Supply Chain Co., Ltd., in recognition of its superior product quality, efficient supply capabilities, and outstanding after-sales service. This award fully affirms the company’s long-standing commitment to providing high-quality products and professional services for the development of Ningbo Rail Transit.... - [Everything You Need to Know about Control Cable](https://www.qrunningcable.com/everything-you-need-to-know-about-control-cable): Introduction: The Importance of Using Control Cable Control cables play a vital role in modern technology and infrastructure, acting as the nervous system for various control mechanisms. These specialized cables enable efficient communication, seamless automation, and safe operations in industries and daily applications. Whether it’s transmitting signals in a manufacturing plant or ensuring precise control... - [Successful Conclusion of Qrunning Cable’s 2024 Recognition Ceremony and New Year Gala](https://www.qrunningcable.com/successful-conclusion-of-qrunning-cables-2024-recognition-ceremony-and-new-year-gala): With the auspicious Dragon’s tail bidding farewell to the old year and the lucky Snake raising its head to welcome a new journey, on January 24, 2025, Qrunning Cable’s 2024 Annual Summary and Commendation Ceremony and New Year Celebration was grandly held in the company’s main building. Over 600 leaders, managers, and employees gathered together... - [Qrunning Cable Achieves Record High in Patent Authorizations](https://www.qrunningcable.com/11836-2): In 2024, the company continued to adhere to innovation-driven development, steadily strengthening its technological innovation and patent activities, achieving continuous progress in both the quantity and quality of patents. Throughout the year, the company filed nearly 30 patent applications and was granted 16 national patents, including 1 invention patent and 15 utility model patents. Additionally,... - [Qrunning Cable was honoured as the leading brand enterprise in China's wire and cable industry in the year of 2024](https://www.qrunningcable.com/qrunning-cable-was-honoured-as-the-leading-brand-enterprise-in-chinas-wire-and-cable-industry-in-the-year-of-2024): Recently, hosted by the China Cable Network, ‘2024 cable industry digital intelligence transformation and innovative development of the General Assembly and the China Cable Network Member General Assembly’ series of activities in Jinan, Shandong Province, a grand opening. The conference to ‘convergence ecology – butterfly change dimension’ as the theme, brought together cable industry elites... - [The company has obtained five certificates, including Green Enterprise and Product Carbon Footprint.](https://www.qrunningcable.com/the-company-has-obtained-five-certificates-including-green-enterprise-and-product-carbon-footprint): Recently, the company successfully passed the audit and certification of the professional certification body–Guangdong China Certification Union Certification Co., Ltd. and successfully obtained five certificates of Green Enterprise, Green Factory, Green Design Product Evaluation, Green Packaging and Product Carbon Footprint. This marks a solid step forward for Qrunning Cable in green low-carbon environmental protection and... - [Are you struggling to find reliable high voltage cable manufacturers](https://www.qrunningcable.com/what-are-high-voltage-electric-cable-manufacturers): Are you struggling to find reliable high voltage cable manufacturers who deliver high-quality products on time? Poor-quality cables can lead to serious electrical failures and project delays. Trustworthy manufacturers like us provide the solution with durable, certified cables that meet high voltage specifications. High voltage cables play a crucial role in powering industries, electric vehicles... - [Received a banner of appreciation from Huaneng Technology Company.](https://www.qrunningcable.com/received-a-banner-of-appreciation-from-huaneng-technology-company): Recently, Qrunning Cable received a banner of appreciation from Huaneng Tangshan Port Area New Energy Technology Co., Ltd., in recognition of the company’s swift response to an urgent supply request. Qrunning successfully completed the early delivery—15 days ahead of schedule—of the 220kV high-voltage cables required for the Huaneng Daqinghe Salt Field 50MW Wind Farm Project,... - [The company was once again honored in the list of “2024 Zhejiang Province Fastest Growing 100 Enterprises”](https://www.qrunningcable.com/the-company-was-once-again-honored-in-the-list-of-2024-zhejiang-province-fastest-growing-100-enterprises): Recently, the 2024 Zhejiang Entrepreneurs Activity Day was held in Hangzhou, which was organized by Zhejiang Enterprise Federation, Zhejiang Entrepreneurs Association, and Zhejiang Federation of Industrial Economy (referred to as the provincial “three associations”). At the meeting, a series of awards of “2024 Top 100 Enterprises in Zhejiang Province” were issued. The company was honored... - [Qrunning Cable Successfully Passed the National Data Management Capability Maturity (Level 2) Evaluation](https://www.qrunningcable.com/qrunning-cable-successfully-passed-the-national-data-management-capability-maturity-level-2-evaluation): Recently, China Electronic Information Industry Federation announced a new batch of enterprises that have obtained Data Management Capability Maturity (DCMM) coherence level list, and Qrunning Cable has been successfully selected for DCMM Level 2 certification list, which marks that the company’s ability in the field of data management has been authoritatively recognized. It is reported... - [Qrunning Cable's Q3 Revenue and Net Profit Both Increase Over 50%](https://www.qrunningcable.com/qrunning-cables-q3-revenue-and-net-profit-both-increase-over-50): SSE China Securities Net News Qrunning cable October 29 evening release of the third quarter results report shows that the company 2024 third quarter operating income of about 974 million yuan, an increase of 58.38%; attributable to shareholders of listed companies, net profit of about 0.28 billion yuan, an increase of 51.36%. 2024 the first... - [Qrunning Cable was awarded the ‘Golden Bull Award of China Listed Companies’ for three consecutive years](https://www.qrunningcable.com/qrunning-cable-was-awarded-the-golden-bull-award-of-china-listed-companies-for-three-consecutive-years): On 24th October, the 2024 Listed Company High Quality Development Forum and the 26th Listed Company Golden Bull Award Ceremony hosted by China Securities Journal and Nantong Municipal People’s Government was held in Nantong, Jiangsu Province. During the conference, the much-anticipated list of the 26th Golden Bull Award for Listed Companies was officially unveiled, and... - [Qrunning Cable was honored as one of the top 10 Chinese listed companies in terms of value on the Bejing Stock Exchange](https://www.qrunningcable.com/qrunning-cable-was-honored-as-one-of-the-top-10-chinese-listed-companies-in-terms-of-value-on-the-bejing-stock-exchange): On October 24, the “18th China Listed Company Value Forum and 2024 New Quality Productivity Tour in Yangtze River Delta” organized by Securities Times was held in Kunshan, Jiangsu Province. The list of “18th China Listed Company Value Award” was officially released at the forum. By virtue of the company’s performance in operation, finance, innovation,... - [The company participated in the preparation of a high-voltage cable national standards promulgated and implemented](https://www.qrunningcable.com/the-company-participated-in-the-preparation-of-a-high-voltage-cable-national-standards-promulgated-and-implemented): Recently, the State Administration for Market Supervision and Administration and the State Administration for Standardisation jointly issued National Standard Announcement No. 22 of 2024, in which the national standard ‘Cross-linked polyethylene-insulated power cables and their accessories for rated voltages of 66 kV (Um=72.5 kV) and 110 kV (Um=126 kV) Part 2: Cables’, which is compiled... - [Ningbo Power Transmission Company Organises Study Tour for Highly Educated Talents to the Company](https://www.qrunningcable.com/ningbo-power-transmission-company-organises-study-tour-for-highly-educated-talents-to-the-company): Recently, Mr Ye of Ningbo Power Transmission and Construction Co., Ltd. brought the 26 newly recruited outstanding talents with high academic qualifications to study and visit Kouguan Cable. The company’s chief engineer Wen Shanghai warmly received and gave a lecture entitled ‘high-voltage cross-linked polyethylene insulated cable structure and the function of each structural unit’ for... - [Qrunning Cable ranked 29th in 2024 China Cable Competitiveness Top 100 List](https://www.qrunningcable.com/qrunning-cable-ranked-29th-in-2024-china-cable-competitiveness-top-100-list): September 24, by the China Electrical Appliance Industry Association Wire and Cable Branch and the Shanghai Cable Research Institute Co., Ltd. jointly organised the ‘focus on new quality productivity – empowering high-quality development’ as the theme of the 2024 China Wire and Cable Industry Conference series of activities kicked off in Shanghai. This conference brings... - [Good news! The company was granted a new invention patent](https://www.qrunningcable.com/good-news-the-company-was-granted-a-new-invention-patent): Recently, another invention patent of the company was authorised by the State Intellectual Property Office. The newly-authorised invention patent is ‘A kind of surface-coloured double-layer co-extrusion mould for cross-linked polyethylene insulated cables’ (Patent No.: ZL 2019 1 0032738.9). The patent relates to a surface colouring double-layer co-extrusion mould for cross-linked polyethylene insulated cables, comprising a... - [2024 Ningbo Top 100 Enterprises Listed, Qrunning Cable Ranked 24th](https://www.qrunningcable.com/2024-ningbo-top-100-enterprises-listed-qrunning-cable-ranked-24th): The ‘2024 Ningbo Entrepreneurs’ Activity Day and Award Ceremony of Top 100 Enterprises‘ held by Ningbo Enterprise Federation, Ningbo Entrepreneurs’ Association and Ningbo Industrial Economy Federation with the theme of ‘Keeping Positive and Innovative, High-Quality Development’ was held grandly in the International Conference Hall of Nanyuan Hotel on 30th August. Yu Hongyi, former director of... - [The company released its 2024 half-yearly report Revenues and profits have been growing continuously](https://www.qrunningcable.com/the-company-released-its-2024-half-yearly-report-revenues-and-profits-have-been-growing-continuously): On 23 August, the Company released its 2024 semi-annual report on the information disclosure platform of the Beijing Stock Exchange, in which the Company achieved growth in revenue and profit and hit a record high for the same period in its history. According to the Half-year Report 2024 of the Company, the Company achieved an... - [Battling high temperature and ensuring delivery](https://www.qrunningcable.com/battling-high-temperature-and-ensuring-delivery): Fighting the high temperature does not serve the summer, scrambling to ensure delivery! In recent times, Ningbo City, the highest outdoor temperature has climbed to 40 ℃, in order to ensure the smooth delivery of the order, during the high temperature, the workers are also to overcome the impact of the weather adhere to the... - [Daya Bay Nuclear Power Plant in Guangdong Province](https://www.qrunningcable.com/daya-bay-nuclear-power-plant-in-guangdong-province) - [Beijing Metro](https://www.qrunningcable.com/beijing-metro) - [Guangzhou Baiyun Airport](https://www.qrunningcable.com/guangzhou-baiyun-airport) - [Ningbo Zhoushan Port](https://www.qrunningcable.com/ningbo-zhoushan-port) - [Beijing Olympic Games](https://www.qrunningcable.com/beijing-olympic-games) - [The company was awarded AAA credit rating certificate again](https://www.qrunningcable.com/the-company-was-awarded-aaa-credit-rating-certificate-again): Recently, the company received the “AAA grade credit rating certificate” issued by the professional credit rating agency recognized by the Development and Reform Commission of Zhejiang Province. Since its establishment, the company has been awarded this certificate for many consecutive years. It is reported that enterprise credit rating is a comprehensive evaluation of enterprise credit... - [National Bureau of Statistics Zhejiang Survey Team Visits Company Promoting Development and Advancing Together](https://www.qrunningcable.com/national-bureau-of-statistics-zhejiang-survey-team-visits-company-promoting-development-and-advancing-together): A delegation from the Zhejiang Survey Team of the National Bureau of Statistics came to Qrunning Cable to conduct research. The general manager of the company, along with the management team, warmly received the research team.Accompanied by General Manager Chen, the survey team toured our 5G smart factory in the high-voltage plant area. During their... - [China Power Grid Corporation](https://www.qrunningcable.com/china-power-grid-corporation): Qrunning Cable is a national high-tech enterprise specializing in the research and development, production and sales of wire and cable, and a national specialized “little giant” enterprise. The main products are three series of wires and cables below 500kV, which have been widely used in the power grid construction and transformation projects of the provinces,... - [Qrunning cable was once again selected as "Top Ten Power Cable Brands in 2024"](https://www.qrunningcable.com/ball-crown-cable-was-once-again-selected-as-the-top-ten-brands-of-power-cable-in-2024-and-other-5-heavyweight-lists): Recently, Qrunning Cable has distinguished itself with outstanding market performance and demonstrated exceptional overall competitiveness at the “2024 8th Cable Tender Evaluation and Promotion Event.” This selection event was jointly organized by China bidding and China Famous Enterprise Ranking Network. Qrunning Cable has been honored with inclusion in five prestigious rankings for 2024: Top 10... - [Sichuan-Tibet Power Transmission and Transformation Project](https://www.qrunningcable.com/sichuan-tibet-networking-project): Qrunning Cable is a national high-tech enterprise specializing in the research and development, production and sales of wire and cable, and a national specialized “little giant” enterprise. The main products are three series of wires and cables below 500kV, which have been widely used in the power grid construction and transformation projects of the provinces,... - [Ningbo Qrunning Cable has Smoothly Passed the Audi](https://www.qrunningcable.com/ningbo-qrunning-cable-has-smoothly-passed-the-audi): Recently, Ningbo Qrunning Cable was audited by Zhongren United Certification Co., Ltd., (ISO Certification), and successfully obtained five certifications on: Green Enterprise Green Factory Environmental Friendly Product Design Environmental Friendly Packaging Product Carbon Footprint (Extremely Low Carbon Release) These attestation indicates another significant step forward for Qrunning Cable in terms of low-carbon environmental protection and... - [The company has passed the certification of social responsibility and energy management system](https://www.qrunningcable.com/the-company-has-passed-the-certification-of-social-responsibility-and-energy-management-system): Recently, the company has received the “Social Responsibility Management System Certification” and “Energy Management System Certification” from “China Water Excellence”, which indicate that the company has successfully passed the certification of Social Responsibility Management System and Energy Management System. management system and energy management system certification. As a professional wire and cable manufacturer, Qrunning Cable... - [China Southern Power Grid](https://www.qrunningcable.com/china-southern-power-grid): Qrunning Cable is a national high-tech enterprise specializing in the research and development, production and sales of wire and cable, and a national specialized “little giant” enterprise. The main products are three series of wires and cables below 500kV, which have been widely used in the power grid construction and transformation projects of the provinces,... - [Guangzhou Metro](https://www.qrunningcable.com/guangzhou-metro): Qrunning Cable is a national high-tech enterprise specializing in the research and development, production and sales of wire and cable, and a national specialized “little giant” enterprise. The main products are three series of wires and cables below 500kV, which have been widely used in the power grid construction and transformation projects of the provinces,... - [Hong Kong-Zhuhai-Macao Bridge project](https://www.qrunningcable.com/hong-kong-zhuhai-macao-bridge-project) - [Ningbo Lishe Airport](https://www.qrunningcable.com/ningbo-lishe-airport): Qrunning Cable is a national high-tech enterprise specializing in the research and development, production and sales of wire and cable, and a national specialized “little giant” enterprise. The main products are three series of wires and cables below 500kV, which have been widely used in the power grid construction and transformation projects of the provinces,... - [Wire & Cable Branch of CEEIA research team visits Qrunning Cable to inspect digital construction.](https://www.qrunningcable.com/wire-cable-branch-of-ceeia-research-team-visits-qrunning-cable-to-inspect-digital-construction): Recently, a research team from the Industry Digitalization Professional Working Department of the Wire & Cable Branch of China Electrical Equipment Industry Association (CEEIA) visited Qrunning Cable to conduct a special survey and exchange on the digital transformation, information technology construction, and intelligent manufacturing implementation of wire and cable enterprises for the year 2026. The research team was led by Ling Chenggang, Deputy Secretary-General of the Wire & Cable Branch of CEEIA, Secretary-General of the Industry Digitalization Professional Working Department, and Director of the Information & Exhibition Center of Shanghai Electric Cable Research Institute (SECRI). The team also included experts from... - [What is pvc insulated cables?](https://www.qrunningcable.com/what-is-pvc-insulated-cables-2): What is PVC-insulated cable? PVC-insulated cable is a type of electrical wire that uses polyvinyl chloride (PVC) as the primary material for insulating the conductor. This insulation acts as a protective layer to prevent electrical leakage, short circuits, and physical damage. As one of the most widely used types of cable insulation, PVC-insulated w ire is renowned for its durability, affordability, and wide application across industries including power distribution, electrical i nstallations, and construction projects. With its excellent electrical and mechanical properties, PVC insulation is favored by manufacturers and suppliers globally for low to medium-voltage cable production. As a leading Chinese... - [AI Empowerment in the Workplace: Unlocking Efficient Office Productivity with Intelligence](https://www.qrunningcable.com/ai-empowerment-in-the-workplace-unlocking-efficient-office-productivity-with-intelligence): To keep pace with the wave of digital development, further strengthen the foundation of the company’s digital transformation, and comprehensively enhance the digital literacy, innovative thinking, and office productivity of all employees, the company recently successfully held the second session of the “Qrunning Lecture Hall” special training event. This event invited a seasoned expert in workplace AI applications to deliver a specialized empowerment course titled “Workplace AI Applications: Explosively Boosting Your Work Efficiency”, which attracted over 70 employees from various departments to actively participate and engage in intensive learning. Participants immersed themselves in hands-on skills related to domestic AI technologies, exploring... - [Something about cable reel](https://www.qrunningcable.com/something-about-cable-reel): “`html Are you struggling to choose the right cable reel for your projects? Many buyers face issues like poor durability, inconsistent quality, and unreliable suppliers. These problems can lead to damaged cables, increased costs, and project delays. Choosing the wrong cable reel—especially a wooden cable reel—can severely impact efficiency. The solution lies in partnering with an experienced manufacturer who offers customizable, high-quality products. With over 30 years of expertise, QRUNNING delivers reliable solutions as a trusted wholesaler and supplier, ensuring durability, strict quality control, and consistent global export performance. Electrical cable reels are typically made from durable hardwoods or engineered softwoods... - [Understanding Low Voltage and Medium Voltage Cables](https://www.qrunningcable.com/understanding-low-voltage-and-medium-voltage-cables): Are You Choosing the Right Cable for Your Power Project? Have you ever wondered whether a low voltage cable or a medium voltage cable is the right choice for your project? Many contractors, distributors, and engineering companies face this exact challenge when planning electrical systems. Choosing the wrong cable can lead to inefficient power transmission, overheating, unexpected voltage drop, or even safety risks in large installations. These issues often arise from misunderstanding cable structure, transmission distance, and protective components such as the metallic screen. The good news is that with the right technical knowledge and a reliable manufacturer, these problems can... - [What is PVC insulation](https://www.qrunningcable.com/what-is-pvc-insulation-2): Are You Unsure Whether PVC Insulation Is the Right Choice for Your Electrical Cable Projects? Are you a contractor, distributor, or equipment buyer wondering whether PVC insulation is suitable for your electrical cable applications? Many buyers struggle to select the correct insulation material because poor insulation can lead to overheating, electrical leakage, or reduced cable lifespan. In large power or construction projects, choosing the wrong material can result in costly maintenance and safety risks. The solution is understanding how PVC (Polyvinyl Chloride) works and selecting products from a reliable Manufacturer and experienced Supplier. With more than 30 years of industry expertise,... - [Something about high cable](https://www.qrunningcable.com/something-about-high-cable): Are You Struggling to Find Reliable High Cable Solutions for High-Voltage Power Projects? Are you a contractor, distributor, or power project buyer wondering why choosing the right high cable for high-voltage systems feels so complicated? Many companies face delays, safety risks, and expensive maintenance because the HV cable they purchase lacks stable insulation, verified certification, or consistent quality control. These issues can lead to energy loss, system failures, or even shutdowns in critical power infrastructure. The solution lies in partnering with a reliable Manufacturer and Supplier that truly understands high-voltage transmission technology. With more than 30 years of experience and large-scale... - [How to Extend the Service Life of Power Cables](https://www.qrunningcable.com/how-to-extend-the-service-life-of-power-cables): Are Your Power Cables Failing Too Soon and Increasing Project Costs? Are you facing unexpected shutdowns, rising maintenance costs, or failed inspections due to premature cable damage? Many contractors and distributors struggle with cable insulation aging, improper installation, or selecting the wrong specification. These issues directly shorten power cable lifespan, delay projects, and even cause safety hazards. The good news is that with proper installation guidelines, accurate cable selection, and reliable manufacturing quality, these risks can be minimized. As a leading Manufacturer and global Supplier with over 30 years of experience, QRUNNING provides high-quality, Customizable solutions up to 500kV. Our strict... - [What characteristics define high-voltage cables?](https://www.qrunningcable.com/what-characteristics-define-high-voltage-cables): Are You Struggling to Identify Reliable High-Voltage Cables for Critical Power Projects? When sourcing high-voltage cables for power grid expansion, industrial plants, or infrastructure bidding, how can you be sure the products truly meet technical standards? Many buyers face delayed shipments, inconsistent insulation quality. These issues can lead to costly downtime, safety hazards, and project penalties. The solution lies in partnering with a proven Manufacturer and global Supplier with strict quality control, scalable production, and transparent certification systems. With over 30 years of experience and 10 production lines, QRUNNING delivers fully Customizable solutions up to 500kV, ensuring stable performance, verified compliance,... - [CHINESE NEW YEAR HOLIDAY NOTICE](https://www.qrunningcable.com/chinese-new-year-holiday-notice): Our office will be closed from February 13th to February 23rd for the Spring Festival. Thank you for your support and trust throughout the year. We look forward to a prosperous new year together! - [Something about High-Voltage Cables](https://www.qrunningcable.com/something-about-high-voltage-cables): Are You Choosing the Right High-Voltage Cable for Long-Term Power Reliability? Are you facing frequent failures, unexpected losses, or compliance risks when sourcing high voltage cable for critical power projects? Many contractors and Wholesalers struggle because unsuitable materials, poor cable construction, or unreliable suppliers lead to overheating, insulation breakdown, and costly downtime. These issues often stem from limited manufacturing capability and inconsistent quality control. The solution is working with an experienced Manufacturer that understands real-world electrical demands. With over 30 years of industry expertise, QRUNNING operates 10 advanced production lines and offers customizable HV cable solutions, strict testing, and OEM &... - [UHV Transmission: Definitions, Cable Systems & Applications](https://www.qrunningcable.com/uhv-transmission-definitions-cable-systems-applications): Why Is Ultra-High-Voltage Transmission Becoming Critical for Modern Power Projects? Are you struggling to transmit electricity over long distances without excessive losses, unstable performance, or rising infrastructure costs? For large-scale electrical transmission projects, conventional HV and even EHV systems often fail to meet growing capacity and efficiency demands. This results in energy waste, overloaded grids, and higher operational risks. The solution lies in UHV technology. As a leading Manufacturer and Supplier of ultra-high voltage cable systems, QRUNNING leverages over 30 years of experience, advanced production lines, and strict quality control to deliver customizable, high-reliability cable solutions for demanding transmission environments worldwide.... - [The Complete Guide to High-Voltage Cables: Selection, Regulations & Design](https://www.qrunningcable.com/the-complete-guide-to-high-voltage-cables-selection-regulations-design): How can you confidently select the right high-voltage cable for large-scale power projects without risking safety, compliance issues, or costly rework? Many contractors and project owners face failures due to improper cable selection, unclear regulations, or low-quality sourcing. These problems often lead to power losses, shortened service life, and even regulatory penalties. The solution is to work with a proven Manufacturer that understands high-voltage design and compliance. QRUNNING, a leading Chinese Wholesaler with over 30 years of experience, specializes in 220kV cable and above, offering strict quality control, verified certifications, and Customizable OEM&ODM solutions for global power infrastructure projects. High-voltage cable... - [Selecting Cables for Building Projects: Quality, Fiber Optic Installation Costs, and Longevity](https://www.qrunningcable.com/selecting-cables-for-building-projects-quality-fiber-optic-installation-costs-and-longevity): Are you struggling to choose the right construction cables that balance quality, cost, and long-term reliability? Many project owners and contractors face delays, safety risks, and budget overruns because of poor cable selection. Low-grade materials, unclear standards, and unreliable Suppliers often lead to frequent replacements and hidden maintenance costs. The solution lies in selecting high-standard cables from a proven Manufacturer. As a Chinese leading cable Wholesaler with over 30 years of experience, QRUNNING provides construction cables up to 500kV, strict quality control, verified certifications, and Customizable OEM&ODM services to ensure safety, longevity, and cost efficiency. Choosing high-standard construction cables from a... - [Power Cables: Types, Manufacturing Process and Purchasing Guide](https://www.qrunningcable.com/power-cables-types-manufacturing-process-and-purchasing-guide): Are you struggling to choose reliable power cables that meet quality, safety, and budget requirements? For many contractors, distributors, and project buyers, selecting the right power cable is a persistent challenge. Inconsistent quality, unclear manufacturing standards, and unreliable suppliers often lead to system failures, safety hazards, and costly project delays. These issues are usually caused by working with inexperienced or under-equipped manufacturers. The solution lies in partnering with a proven power cable manufacturer that combines technical expertise, strict quality control, and large-scale production. With over 30 years of experience, QRUNNING is a leading Chinese Manufacturer specializing in high-voltage power cables up... - [Cable Selection and Management: A Practical Guide](https://www.qrunningcable.com/cable-selection-and-management-a-practical-guide): Are cable failures, delays, and hidden costs disrupting your projects? Many Wholesalers, contractors, and engineering buyers struggle with inconsistent cable management and unreliable sourcing. Poor manufacturer selection, unclear specifications, and weak quality control often lead to overheating, compliance risks, and costly rework. These problems escalate when suppliers lack certification transparency or production capacity. The solution starts with choosing a proven cable manufacturer and applying structured cable management practices. With over 30 years of industry experience, QRUNNING is a Chinese leading Manufacturer of up to 500kV power cables, operating 10 production lines and delivering OEM & ODM, Customizable solutions for global B2B... - [How to Choose the Right PV Wire](https://www.qrunningcable.com/how-to-choose-the-right-pv-wire): How Can You Avoid Costly Failures by Choosing the Wrong PV Wire? Are you a Wholesaler, EPC contractor, or solar project buyer worried about system failures caused by incorrect PV wire selection? Many photovoltaic projects suffer from overheating, insulation cracking, or early aging because buyers focus only on price while ignoring standards, materials, and environmental conditions. These mistakes can lead to power loss, safety hazards, and costly downtime. The solution is selecting certified, application-matched photovoltaic cable products from a reliable Manufacturer. With over 30 years of cable industry experience, QRUNNING provides TÜV-approved, IEC-compliant, and Customizable solar cable solutions designed for long-term... - [Environmental Impact of Overhead Electric Cables](https://www.qrunningcable.com/environmental-impact-of-overhead-electric-cables): Are Overhead Electric Cables Harming the Environment More Than You Expect? Are you, as a Wholesaler, utility contractor, or infrastructure buyer, concerned about the environmental impact of deploying overhead electric cable systems? Rapid urbanization, expanding power grids, and aging infrastructure often force decision-makers to prioritize cost and speed over ecology. This can result in landscape degradation, wildlife hazards, and public opposition, ultimately increasing project risk and long-term expenses. The solution is not to abandon overhead systems, but to optimize them. By working with an experienced Manufacturer like QRUNNING, buyers gain access to high-quality, Customizable ABC cable solutions engineered for durability, reduced... - [Maintenance Practices for High Voltage Cables](https://www.qrunningcable.com/maintenance-practices-for-high-voltage-cables): Why Do High Voltage Cables Fail Prematurely and How Can You Prevent Costly Downtime? Are you struggling with unexpected failures, rising maintenance costs, or safety risks related to high voltage cable systems? Many Wholesalers, contractors, and power utilities face these challenges due to harsh operating environments, improper installation, or inconsistent maintenance practices. When HV cable systems are neglected, the consequences can include power outages, equipment damage, and even serious safety incidents. The solution lies in adopting structured maintenance practices supported by a reliable Manufacturer. With over 30 years of industry expertise, QRUNNING provides top-quality, Customizable high voltage cable solutions, strict quality... - [Qrunning Cable’s Three New Cable Products Successfully Pass Authoritative Certification](https://www.qrunningcable.com/qrunning-cables-three-new-cable-products-successfully-pass-authoritative-certification): On January 11, 2026, the new product technical certification meeting of Ningbo Qrunning Cable Co., Ltd. , organized by the China Electricity Council, concluded successfully. After on-site evaluation by experts from institutions including the Shanghai Cable Research Institute, Shanghai National Cable Testing Co., Ltd., China Electric Power Research Institute Co., Ltd., and State Grid Beijing Electric Power Company, all three new products passed the certification with excellent technical performance and stable quality. Among them, one product reached the international advanced level, one achieved the domestic leading level, and one attained the domestic advanced level.               During... - [ABC Cable for Overhead Line Projects: Advantages, Applications, and Reliable Supply from a Leading Manufacturer & Wholesaler](https://www.qrunningcable.com/abc-cable-for-overhead-line-projects-advantages-applications-and-reliable-supply-from-a-leading-manufacturer-wholesaler): Why Are Overhead Line Projects Failing Due to Poor Aerial Bundled Cable Choices? Are you facing frequent power outages, safety complaints, or rising maintenance costs in your overhead line projects? Many utilities and contractors struggle because they choose low-quality ABC cable from unreliable sources. The root causes often include inconsistent insulation, non-standard conductors, and suppliers without real manufacturing capability. These issues can lead to insulation breakdown, energy loss, and even public safety hazards. As an experienced Manufacturer, Supplier, and Wholesaler, we provide customizable aerial bundled cable solutions with strict quality control, advanced production lines, and proven performance for long-term overhead power... - [Innovation Engine Revs Up | 2025 Patent Grants Hit New High](https://www.qrunningcable.com/innovation-engine-revs-up-2025-patent-grants-hit-new-high): In 2025, Qrunning Cable made outstanding achievements in technological innovation, securing a total of 17 patent grants throughout the year. Among these, there were 2 invention patents and 15 utility model patents, with the annual number of authorized patents hitting a new historical high. These achievements not only fully demonstrate the company’s profound R&D accumulation and technical strength but also further consolidate its position as a technological leader in the wire and cable manufacturing industry. The two invention patents obtained this year represent breakthrough progress in key production process technologies: A High Air-Concentrating Wire-Drawing Water Blower addresses the issue of low drying... - [Qrunning Cable's Winter Fun Games Wrapped Up Joyfully](https://www.qrunningcable.com/qrunning-cables-winter-fun-games-wrapped-up-joyfully): In order to strengthen corporate culture, enrich employees’ sports and cultural life, enhance physical fitness, and foster team cohesion, the 2025 Qrunning Cup Winter Fun Sports Gala officially kicked off on the afternoon of December 20. Six competing teams took to the field, showcasing their vitality and enthusiasm to dispel the winter chill. That afternoon, athletes entered the venue on time and lined up for the opening ceremony. Following speeches from leadership and a group warm-up session, the gala officially commenced. The event featured three team-based competitions—”Smooth Sailing,” “Collaborative Construction,” and “Invincible Wheel of Fire”—alongside a separately judged tug-of-war contest. Each... - [Fire Resistant Cables for Wholesale Power Projects and Critical Infrastructure](https://www.qrunningcable.com/fire-resistant-cables-for-wholesale-power-projects-and-critical-infrastructure): Why Do Large Power Projects Still Lose Critical Circuits During Fires? For wholesalers, contractors, and engineering companies, a fire incident is not just a safety issue — it can instantly turn into project delays, failed inspections, compensation claims, or even lost bids. Many large-scale power projects still rely on ordinary voltage cable that simply cannot maintain circuit integrity once exposed to high temperatures. When emergency lighting, fire pumps, alarms, or control systems shut down, the consequences escalate quickly. The root cause is often a mismatch between application requirements and cable performance. Fire Resistant Cables are specifically designed to keep power running... - [Flame Retardant and Fire Resistant Cables for Power Projects: What Manufacturers and Wholesalers Want You to Know](https://www.qrunningcable.com/flame-retardant-and-fire-resistant-cables-for-power-projects-what-manufacturers-and-wholesalers-want-you-to-know): Why Do Electrical Fires Still Happen Even When You Use “Standard” Cables? For contractors, distributors, and power engineering companies, electrical fire risk is not a theoretical issue—it directly affects project safety, bidding success, and long-term liability. The problem is that many projects still rely on ordinary Voltage Cable that cannot effectively slow flame spread or maintain circuit integrity during a fire. When flames travel quickly along cable routes, the consequences include power failure, asset loss, and even human casualties. The solution lies in choosing properly engineered Flame Retardant Cables and Fire Resistant Cables from an experienced Manufacturer. With over 30 years... - [Our NEV charging cable has obtained CQC certification.](https://www.qrunningcable.com/our-nev-charging-cable-has-obtained-cqc-certification): Recently, a new type of cable for electric vehicle conductive AC charging systems, independently R&D and manufactured by the company, has successfully obtained certification from China Quality Certification Center (CQC) (Certificate No.: CQC25011494531). This marks that the product series has met national standards in terms of quality, safety and performance.     As a key component connecting power sources and EV charging interfaces, cables for electric vehicle conductive AC charging systems play a vital role in power transmission. Equipped with a certain number of signal and control wires, the reliability of these cables is directly tied to the safety and accuracy of the charging... - [Aerial Bundled Cable (ABC): A Quick Guide to Safe Power](https://www.qrunningcable.com/aerial-bundled-cable-abc-a-quick-guide-to-safe-power): Are you struggling to find a safe and reliable ABC cable solution for overhead power distribution? Many utility buyers and engineering contractors face challenges with traditional bare conductors—frequent outages, short circuits caused by tree contact, and high maintenance costs. These issues slow down projects and increase long-term risks. As a global manufacturer, wholesaler, and trusted supplier, QRUNNING provides high-quality, customizable aerial bundled cables (ABC) designed for safer, more stable low voltage (LV) overhead distribution, reducing faults and improving operational efficiency for power networks. Aerial Bundled Cable (ABC) is a low voltage overhead power cable where insulated conductors are bundled together, offering... - [What is an Armoured Cable? What are the Benefits of Using it?](https://www.qrunningcable.com/what-is-an-armoured-cable-what-are-the-benefits-of-using-it): Are you uncertain whether an armored cable can truly protect your project from damage, interference, or unpredictable installation conditions? Many buyers face confusion when selecting cables for harsh environments—choosing the wrong type can lead to mechanical failure, moisture damage, or costly system downtime. These issues often arise from unclear specifications, inconsistent quality, or unreliable suppliers. As a global manufacturer, wholesaler, and dependable supplier, QRUNNING provides high-quality, fully customizable armored cable solutions designed for heavy-duty protection, international standards, and long-term reliability in demanding industrial and construction applications. An armored cable is a protective power or control cable reinforced with metal or non-metallic... - [Common Applications for PV Wire Explained](https://www.qrunningcable.com/common-applications-for-pv-wire-explained): Are you unsure which PV wire is suitable for your solar project? Many buyers worry about choosing the wrong solar cable, leading to overheating, voltage loss, or unexpected system failures. These mistakes often occur due to unclear specifications, incomplete certifications, or unreliable suppliers—issues that can delay construction or compromise long-term performance. As a trusted manufacturer, wholesaler, and long-term supplier, QRUNNING provides high-quality, fully customizable PV wire designed for both small and large-scale solar installations. With over 30 years of production experience and strict quality control, we ensure dependable performance for contractors and distributors worldwide. PV wire is a sunlight-resistant solar cable... - [What is XLPE cable](https://www.qrunningcable.com/what-is-xlpe-cable): Are you struggling to choose the right XLPE cable for your project? In many power engineering projects, buyers often face uncertainty—Will the cable withstand harsh environments? Is the supplier reliable? What if the certification is fake? These issues can lead to costly delays, safety risks, and project failures. As a leading manufacturer, wholesaler, and long-established supplier in China, QRUNNING provides high-quality, fully customizable XLPE cables up to 500kV, backed by over 30 years of expertise, strict quality control, and verified certifications. Our stable production capacity ensures on-time delivery and dependable performance for contractors and distributors worldwide. XLPE cable is a power... - [Company Wins Multiple Honors at Zhejiang Cable Conference](https://www.qrunningcable.com/12846-2): On November 28, the “Zhejiang Province Cable Industry High-Quality Development and 35th Anniversary of the Association’s Establishment” event was grandly held in Hangzhou. Qrunning Cable was invited to participate in this event and received multiple honors. This grand event brought together leaders of government authorities, experts and scholars, representatives of member units, and guests from brother associations in the wire and cable industry across the province. They jointly reviewed the glorious 35-year journey of forging ahead of the Zhejiang Wire and Cable Industry Association, and in-depth discussed the paths and future of high-quality development of the industry under the new era... - [The Ultimate Guide to Armoured Cables](https://www.qrunningcable.com/the-ultimate-guide-to-armoured-cables): Are You Finding It Difficult to Select the Right Armoured Cable for Tough Engineering Environments? Many buyers struggle to identify the correct armoured cable because options like SWA, STA, and aluminium-based variants each serve different conditions. Misjudging these requirements can lead to cable failure, safety hazards, or costly project delays. These issues often arise from unclear specifications and inconsistent production quality. As a global Manufacturer, Wholesaler, and Supplier with 30+ years of expertise, QRUNNING delivers certified, durable, and customisable steel-reinforced cable solutions to ensure long-term stability, safety, and efficiency in any installation environment. Armoured cables use layers of steel or aluminium... - [What is Steel Tape Armoured Cable](https://www.qrunningcable.com/china-steel-tape-armoured-cable-manufacturer-wholesaler-customisable-heavy-duty-power-solutions): Are You Facing Difficulties Finding Reliable Steel Tape Armoured Cable for Harsh Installation Environments? Many buyers struggle with inconsistent quality, weak mechanical protection, and unreliable delivery when sourcing Steel Tape Armoured Cable. These issues often lead to safety risks, cable failure, and costly project delays. As a professional Manufacturer, Supplier, and Wholesaler with 30+ years of experience, QRUNNING offers stable, certified, and customisable STA solutions engineered to handle demanding applications with confidence. Steel Tape Armoured Cable (STA) uses steel tape layers to provide strong mechanical protection against crushing and external pressure, making it ideal for fixed installation, underground routing, and industrial... - [What are the Types of Cable Jacket Materials](https://www.qrunningcable.com/what-are-the-types-of-cable-jacket-materials): Are You Unsure Which Cable Jacket Material Best Fits Your Project Needs? Many buyers struggle to choose the right cable jacket because materials like PVC, PE, and LSZH each offer different levels of durability, fire resistance, and flexibility. Selecting the wrong type can cause premature failures, safety risks, and unexpected maintenance costs. Cable jacket materials include PVC, PE, LSZH, rubber, and specialized compounds. Each jacket type protects the cable from mechanical stress, chemicals, and environmental exposure while ensuring long-term performance in industrial and power applications. This guide helps you understand cable jacket materials clearly and choose the best option for your... - [What Cable Is Used for High Voltage?](https://www.qrunningcable.com/what-cable-is-used-for-high-voltage): Are you struggling to select the right high voltage cable for your project? Poor cable selection can lead to system failures, safety hazards, and costly repairs. Trusting experienced high voltage cable manufacturers ensures you get the right cable that meets specifications and standards. Continue reading to explore the different types of high voltage cables, their specifications, and applications, so you can make an informed decision for your project. What Are High Voltage Cables? High voltage cables are specifically designed to transmit electrical power at voltages exceeding 1 kV. These cables are essential for powering large systems, from electrical grids to industrial... - [What is PVC Insulation Control Cable](https://www.qrunningcable.com/what-is-pvc-insulation-control-cable): Are You Struggling to Understand What PVC Insulation Control Cable Really Is? Many engineers and buyers often face confusion when selecting the right PVC insulation control cable. The problem usually arises from unclear specifications, inconsistent quality from inexperienced suppliers, or missing data on the conductor, insulation, and jacket materials. These issues can lead to system malfunction, signal instability, and unexpected maintenance costs. As a professional manufacturer, wholesaler, and long-term supplier of high-quality, customisable control cables, QRUNNING helps clients solve these challenges through transparent specifications, factory testing, and dependable export experience, ensuring that every project operates safely and efficiently. A PVC insulation... - [How to install XLPE Insulated Control Cable correctly](https://www.qrunningcable.com/how-to-install-xlpe-insulated-control-cable-correctly): Are You Struggling to Install XLPE Insulated Control Cable Correctly? Many engineers face delays, failures, or electrical safety risks because the cable was pulled too tightly, routed incorrectly, or tested improperly. Such mistakes increase downtime and maintenance costs. As a leading manufacturer, wholesaler, and long-term supplier of XLPE insulated control cable, QRUNNING provides reliable guidance and customisable solutions to ensure smooth installation. With 30+ years of experience and strict quality control, we help you reduce risks and achieve stable project performance. To install XLPE insulated control cable correctly, follow proper planning, use approved tools, apply safe pulling techniques, and conduct an... - [What are the processes of cable manufacturing](https://www.qrunningcable.com/what-are-the-process-of-cable-manufacturing): Are delays, inconsistent quality, and unreliable certificates holding back your cable projects? Many buyers—especially those sourcing from developing regions—struggle with unstable cable quality, late delivery, and even falsified certifications. These problems often stem from weak production control and outdated equipment. Such issues can cause project delays, higher costs, or bidding failures. The solution lies in choosing an experienced manufacturer with full in-house production. With over 30 years of expertise and 10 production lines, QRUNNING provides dependable wholesale supply, strict quality management, and fully customisable OEM/ODM service for high-performance power cables. Cable manufacturing includes raw material selection, conductive core production, insulation extrusion,... - [How to Choose the Right Triple Cores Cable for Industrial Power Systems](https://www.qrunningcable.com/how-to-choose-the-right-triple-cores-cable-for-industrial-power-systems): Are You Struggling to Choose the Right Triple-Core Cable for Your Industrial Power System? Many engineers, project managers, and industrial buyers face uncertainty when selecting a triple-core cable for complex power systems. Choosing the wrong type can result in inefficiency, overheating, or costly downtime. The root cause often lies in misunderstanding conductor insulation types, material quality, and system compatibility. As a leading manufacturer and wholesaler with over 30 years of experience, QRUNNING provides customisable triple-core cables engineered for performance, safety, and long-term reliability. Our factory-built cables ensure stable conductivity and maximum industrial energy savings across diverse applications. Choosing the right triple-core... - [Potential Applications of Triple Cores Cables](https://www.qrunningcable.com/potential-applications-of-triple-cores-cables): Are You Facing Challenges in Choosing Reliable Triple-Core Power Cables for Your Projects? Many industrial power distribution and construction companies struggle with selecting the right triple-core cable that can withstand heavy loads, harsh environments, and long operational lifespans. Poor-quality cables often lead to costly maintenance, energy loss, and even safety hazards. That’s where QRUNNING, a leading Chinese manufacturer and wholesaler with over 30 years of experience, provides the perfect solution. Our customisable triple-core power cables deliver stable conductivity, high insulation performance, and durability, ensuring optimal performance across industries from energy to infrastructure. Triple-core power cables are essential for stable, high-capacity energy... - [QRUNNING, Fire Brigade Partner on Safety](https://www.qrunningcable.com/qrunning-fire-brigade-partner-on-safety): November 2025 marks the annual National Fire Safety Awareness Month, this year themed ‘Fire Safety for All, Life First – Safe Use of Fire and Electricity’. In active response to national fire safety initiatives and to fulfil corporate safety responsibilities, QRUNNING Cable partnered with the Beilun Brigade of Ningbo Fire and Rescue Corps on 3rd November to conduct a successful simulated electrical fire experiment at the company’s central laboratory (CNAS-accredited). The event attracted coverage from local mainstream media, with Ningbo Television and Ningbo Evening News journalists documenting the proceedings through filming and interviews, bearing witness to this collaborative effort between industry... - [How Triple Cores Cables Work](https://www.qrunningcable.com/how-triple-cores-cables-work): Are You Wondering How to Achieve Efficient Power Transmission with Reliable Triple-Core Cables? Many engineers and distributors face challenges ensuring stable three-phase electricity distribution, especially when using low-quality cables that cause energy loss, overheating, or voltage imbalance. These problems often lead to unexpected downtime and costly maintenance. The solution lies in choosing a dependable triple-core power cable from a trusted manufacturer. At QRUNNING, we provide customisable triple-core cables engineered for optimal performance and safety. With over 30 years of production expertise, strict quality control, and advanced insulation technology, our cables ensure precise and efficient current flow—supporting stable power transmission for construction,... - [Our company has passed “Financial Digital Intelligence Integration System” project](https://www.qrunningcable.com/our-company-has-passed-financial-digital-intelligence-integration-system-project): Recently, the Ningbo Municipal Finance Bureau issued a document confirming that the company’s “Financial Digital Intelligence Integration System” project, initiated in 2022, has successfully passed the expert panel review and public notice period conducted by the Ningbo Municipal Finance Bureau. It has been formally accepted, providing a practical model for digital transformation among enterprises in the Ningbo region. As a leading enterprise in the wire and cable industry, QRUNNING Cable has consistently increased investments in recent years to strengthen enterprise informatization and actively explore digital management transformation pathways. This initiative aims to empower management through technology, optimize operational efficiency, and enhance... - [What is Triple Cores Cable](https://www.qrunningcable.com/what-is-triple-cores-cable): Are You Struggling to Choose the Right Cable for Stable Power Transmission? Many contractors and distributors face the challenge of finding a reliable power cable that guarantees safety and consistent performance in complex building electrical systems. Poor cable quality can lead to voltage drops, overheating, or even system failures, causing costly project delays. The solution lies in selecting a high-grade triple-core cable from a trusted manufacturer. At QRUNNING, we specialize in producing customizable triple-core power cables with superior insulation, durability, and conductivity. With over 30 years of manufacturing expertise and strict quality control, our products ensure long-term reliability and stable power... - [Quality Control and Testing Standards for Triple Cores Medium Voltage Cables](https://www.qrunningcable.com/quality-control-and-testing-standards-for-triple-cores-medium-voltage-cables): How can you ensure the reliability and safety of your triple-core medium voltage cables? For electrical engineers, project managers, and contractors in the power distribution industry, ensuring the quality and reliability of triple-core medium voltage cables is crucial to avoid costly delays, system failures, and safety risks. Faulty cables, whether due to poor insulation or inadequate material quality, can cause major disruptions in power networks, leading to unplanned shutdowns and project delays. The solution lies in adhering to stringent testing standards and quality control protocols at every stage of cable production. As a trusted wholesaler and supplier, QRUNNING ensures that every... - [Qrunning Cable Wins Two Awards at the 27th Golden Bull Awards =](https://www.qrunningcable.com/qrunning-cable-wins-two-awards-at-the-27th-golden-bull-awards): On October 29, the “2025 High-Quality Development Forum for Listed Companies and the 27th Golden Bull Awards Ceremony for Listed Companies,” jointly organized by China Securities Journal and the Nantong Municipal People’s Government, was grandly held in Nantong, Jiangsu! At this prestigious event, Qrunning Cable was honored with the “Golden Bull Small Giant Award” for the fourth consecutive year, recognizing its strong development performance and sound corporate governance. Company General Manager Chen Yongzhi attended the forum and accepted the trophy. On the same day, Jiang Kexiang, Deputy General Manager and Board Secretary, was honored with the “Golden Bull Board Secretary Award”... - [Application of Triple Cores Power Cable](https://www.qrunningcable.com/application-of-triple-cores-power-cable): Are your power projects facing frequent cable failures and unstable current flow? For many engineering contractors, electrical distributors, and power grid companies, unreliable cabling can cause costly delays and safety risks. These issues often stem from using low-grade cables with poor insulation and weak current capacity. As projects scale to higher voltages, traditional single-core cables may not deliver stable performance. The solution lies in adopting a triple-core power cable—a durable, efficient option designed for balanced current distribution and long-term reliability. As a leading manufacturer and supplier with over 30 years of experience, QRUNNING provides customizable triple-core cables that ensure high quality,... - [PVC Cable Applications](https://www.qrunningcable.com/pvc-cable-applications): Are You Using the Right PVC Cable for Your Power or Construction Projects? Many contractors and project managers struggle to select the proper PVC cable for their specific applications. Using low-grade insulation materials can lead to frequent breakdowns, electrical losses, and safety hazards. Poor-quality PVC insulation can also deteriorate under heat or pressure, reducing system reliability. The solution lies in choosing durable, high-performance PVC cables from a trusted manufacturer. With over 30 years of experience, QRUNNING produces a wide range of customizable PVC insulated and sheathed cables, combining superior mechanical strength, excellent flame resistance, and stable performance for various voltage levels... - [What is Bending Stress](https://www.qrunningcable.com/what-is-bending-stress): Why Does Metal or Cable Fail When Bent Too Much? Have you ever faced unexpected cable damage or material cracks during installation? This common issue often arises from excessive bending stress—a force that occurs when materials like metal or electric cables are curved beyond their design limits. The result? Costly downtime, failed performance, and safety risks. As a leading manufacturer and supplier with over 30 years of experience, QRUNNING provides top-quality, customizable electric cables designed to resist bending stress. Our advanced production lines ensure precise strength control, minimizing deformation and ensuring long-lasting reliability for industrial and power projects. In simple terms,... - [What is Flexible Mineral Insulated Cable](https://www.qrunningcable.com/what-is-flexible-mineral-insulated-cable): Flexible mineral insulated cable is a specialized power cable designed for high-temperature resistance, fire safety, and durability. Unlike traditional power cables, it uses inorganic mineral insulation, typically magnesium oxide (MgO), which makes it highly fire-resistant and stable even under extreme conditions. Key characteristics of Mineral Insulated Cable cables include: High temperature resistance:Can withstand temperatures up to 1000°C without losing functionality. Fire safety:Maintains power transmission during fires, making it ideal for emergency systems. Moisture and corrosion resistance:The mineral insulation prevents water ingress and offers excellent chemical resistance. Low smoke, halogen-free:Inorganic materials prevent the release of toxic gases during fires. Flexibility:Unlike traditional mineral insulated... - [World Investor Week 2025](https://www.qrunningcable.com/world-investor-week-2025):   World Investor Week is an annual global event spearheaded by the International Organization of Securities Commissions (IOSCO). It aims to enhance investors’ education and protection awareness while highlighting initiatives undertaken by securities regulators in these two critical areas. To enable a broader investor base to benefit from investors’ education and protection efforts, the Committee on Retail Investors (C8) under IOSCO proposed the “World Investor Week” initiative at the 2016 Sydney conference. The 2025 World Investor Week will take place from October 20 to 24, 2025. Centered around three themes—“Technology and Digital Finance”, “Artificial Intelligence (AI)” and “Fraud Prevention”—the event will... - [Fire Retardant Paint for Cables](https://www.qrunningcable.com/fire-retardant-paint-for-cables): Are Your Power Cables Truly Protected from Fire Hazards? Many industrial and construction companies overlook the hidden risk of unprotected cables. When a fire occurs, uncoated cables can accelerate flame spread, cause severe fire containment failures, and produce toxic smoke. This results in costly downtime, safety hazards, and equipment loss. The solution lies in using high-quality fire retardant paint for cables—a specialized coating designed to resist ignition and control flame spread. As a leading manufacturer and supplier with over 30 years of experience, QRUNNING offers customizable fire retardant coatings that ensure top fire resistance ratings, long-term durability, and superior smoke suppression... - [The inaugural lecture of the “Qrunning Lecture Series” has commenced.](https://www.qrunningcable.com/the-inaugural-lecture-of-the-qrunning-lecture-series-has-commenced): Build upon what you’ve learned Pass on experience as a ladder The First Lecture of the “Qrunning Lecture Series” To comprehensively enhance employees’ overall capabilities, broaden career development horizons, and establish an internal platform for knowledge sharing, cultural dissemination, experience inheritance, and innovation—thereby supporting corporate strategy implementation and business growth—the inaugural session of the “Qrunning Lecture Series” was successfully held on October 11, marking the official launch of this systematic learning platform. The “Qrunning Lecture Series” focuses on three dimensions: industry trends and corporate development, management thinking and workplace skills, and experience inheritance and cultural shaping. It aims to inject talent... - [Another invention patent](https://www.qrunningcable.com/another-invention-patent): In September, the company’s independently developed “A High Air-Concentrating Wire-Drawing Water Blower” successfully obtained a national invention patent authorization (Patent No.: ZL 2022 1 0437511.4). To date, Qrunning Cable has secured a total of eight national patent authorizations this year, with technological innovations continuing to emerge. The newly authorized invention patent for “A High Air-Concentrating Wire-Drawing Water Blower” focuses on optimizing critical processes in cable manufacturing. Through an innovative wind-concentrating structure design, this technology achieves efficient moisture removal during cable wire-drawing operations. It effectively addresses industry challenges such as incomplete water blowing by traditional equipment, conductor oxidation, and compromised insulation coating... - [Are medium voltage cables suitable for underground installation](https://www.qrunningcable.com/12400-2): Are Medium Voltage Cables Suitable for Underground Installation? As a power engineering contractor, distributor, or wholesaler, you may often ask: are medium voltage cables (MV cables) the right choice for underground installation? Many projects in power distribution face challenges such as space limitations, weather exposure, and safety hazards when using overhead lines. These issues can lead to power losses, accidents, and costly maintenance. The ideal solution lies in using underground medium voltage cables, which offer higher safety, durability, and reliability. With over 30 years of experience, QRUNNING, a trusted manufacturer and supplier, provides customizable MV cables engineered to meet demanding installation... - [What is the Role of Cable Armor](https://www.qrunningcable.com/what-is-the-role-of-cable-armoring): What is the Role of Cable Armoring? As a professional electrical cable wholesaler, manufacturer, and supplier, you might often wonder: why do certain power cables include an extra metallic layer called “armor”? Many construction and power engineering companies face costly damage and safety risks when cables are crushed, bitten by rodents, or exposed to harsh installation environments. These issues can result in short circuits, downtime, and replacement expenses. The solution lies in using armored cables, specifically steel tape armor or steel wire armor designs. With over 30 years of experience, QRUNNING provides customizable armored cables that combine superior protection, reliable quality,... - [The Advantages of Single Core Cable](https://www.qrunningcable.com/the-advantages-of-single-core-cable): Are You Struggling to Find a Reliable Single Core Cable Supplier for Your Project? Many engineering contractors and distributors face challenges when choosing the right single core cable for power, construction, or industrial projects. Issues like inconsistent quality, non-compliant certifications, and unreliable delivery can cause costly project delays. These problems often stem from suppliers lacking professional production systems or sufficient quality control. The solution lies in partnering with an experienced manufacturer with advanced technology and proven reliability. With over 30 years of experience, QRUNNING stands as China’s leading wholesaler and supplier of electric cables. We offer fully customizable products—up to 500kV—backed... - [What is the Difference between Single Core and Multicore Cable](https://www.qrunningcable.com/what-is-the-difference-between-single-core-and-multicore-cable): What is the Difference between Single Core and Multicore Cable? Are you struggling to choose between single core and multicore cables for your project? The decision can be challenging as both types of cables have specific applications and benefits. The cause of this confusion often lies in understanding their different structures, which impacts factors such as flexibility, current capacity, and installation requirements. As a leading manufacturer and wholesaler, QRUNNING offers high-quality, customizable solutions tailored to your project’s needs. With our wide range of single core and multicore cables, we help you make the right choice, reducing risks and ensuring long-term reliability.... - [What is Single Core Cable Used for](https://www.qrunningcable.com/what-is-single-core-cable-used-for): What is Single Core Cable Used For? Have you ever faced delays in your project because your supplier delivered poor-quality cables or provided false certifications? These issues can cause serious setbacks, from higher costs to project failure. The solution lies in choosing a reliable manufacturer with proven quality standards. With over 30 years of expertise, QRUNNING stands out as a trusted wholesaler and supplier, offering up to 500kV power cables, customizable solutions, and guaranteed on-time shipment to support contractors and distributors worldwide. Single core cables are mainly used for efficient electricity transmission in residential, commercial, and industrial projects. As a trusted... - [What Are the Main Reasons for Wire and Cable Insulation Breakdown?](https://www.qrunningcable.com/what-are-the-main-reasons-for-wire-and-cable-insulation-breakdown): What Are the Main Reasons for Wire and Cable Insulation Breakdown? Have you ever faced sudden equipment failure caused by insulation breakdown in wires or cables? This common issue can lead to costly downtime, fire hazards, and serious safety risks. The causes often include poor-quality materials, improper installation, or harsh environmental conditions. As a trusted manufacturer and supplier with over 30 years of experience, QRUNNING provides certified, high-performance cables designed to prevent breakdown. With 10 production lines, customizable solutions, and strict quality inspections, we ensure durable products that help contractors, distributors, and power companies avoid unnecessary risks and project delays. Wire... - [What is the Life Expectancy of a Medium Voltage Cable?](https://www.qrunningcable.com/what-is-the-life-expectancy-of-a-medium-voltage-cable): Reliable Medium Voltage Cable Manufacturer for Global Power Projects Medium Voltage Cable (MV cable) is widely used to transmit electricity between 1kV and 35kV, ensuring safe and stable power distribution for industrial plants, construction projects, and national grids. As a leading manufacturer with over 30 years of experience, QRUNNING provides premium quality MV cables with strong insulation, high conductivity, and long service life. With 10 production lines and an annual capacity of 200 million meters, we ensure large-scale orders are delivered on time. Our cables are widely exported to Kenya, Sudan, Vietnam, Ethiopia, Mexico, and more, earning trust through strict quality... - [Comparing Underground Cable and Overhead Cable](https://www.qrunningcable.com/comparing-underground-cable-and-overhead-cable): Are You Unsure Whether to Choose Underground Cable or Overhead Cable for Your Project? Many contractors and power companies face the challenge of selecting between underground cable and overhead cable. Poor choices often lead to higher costs, frequent faults, or safety risks. Underground systems reduce exposure to weather but increase installation expenses, while overhead lines are cheaper yet more vulnerable. The solution lies in understanding the strengths and limitations of both options. At QRUNNING, a leading manufacturer and wholesaler with 30+ years of expertise, we provide certified, customizable UG cables designed for durability. Our large-scale production capacity ensures consistent supply and... - [Choosing the Right UG Cable for Projects](https://www.qrunningcable.com/choosing-the-right-ug-cable-for-projects): Are You Struggling to Choose the Right UG Cable for Your Project? Have you ever wondered why your underground cable installations don’t last as long as expected or fail under heavy demand? Many projects suffer due to mismatched UG cable types, poor material selection, or unreliable suppliers. These issues can cause costly downtime, safety hazards, and budget overruns. The solution lies in selecting the right underground wire that balances durability, conductivity, and cost-effectiveness. We, Ningbo Qrunning Cable Co., Ltd., are a trusted manufacturer and wholesaler with over 30 years of expertise. We provide certified, customizable UG cables in both copper and... - [Troubleshooting Common Solar Cable Issues](https://www.qrunningcable.com/troubleshooting-common-solar-cable-issues):   Are Your Solar Cables Causing Performance Drops in Your Solar System? Have you noticed your solar system producing less energy than expected? Often, hidden solar cable issues are to blame. Poor connections, weather damage, or substandard materials can lead to energy loss, safety risks, and expensive downtime. The good news is that regular fault checks and proper cable repair can restore efficiency and prevent costly replacements. At QRUNNING, a leading Chinese manufacturer and wholesaler with over 30 years of experience, we supply high-quality, customizable solar cables designed for durability, certified performance, and on-time delivery—ensuring your system stays reliable in even... - [Maintenance Tips for PV Wire Systems](https://www.qrunningcable.com/maintenance-tips-for-pv-wire-systems): Why does your PV wire system lose efficiency over time? Have you noticed your solar system producing less energy than expected? The cause is often linked to neglected PV wire and solar cable maintenance. Dust, moisture, or faulty wiring can reduce efficiency, increase safety risks, and shorten equipment lifespan. For large-scale buyers, contractors, and distributors, ignoring this can mean higher costs and failed projects. The solution lies in consistent upkeep with high-quality materials. As a leading manufacturer and wholesaler of up to 500kV cables, QRUNNING provides top-quality customizable PV cable solutions that ensure durability, safe performance, and reliable long-term operation. Proper... - [Qrunning Cable Retains Double Top 100 Titles in Ningbo Manufacturing and Competitiveness Rankings](https://www.qrunningcable.com/qrunning-cable-retains-double-top-100-titles-in-ningbo-manufacturing-and-competitiveness-rankings): On September 10th, the Ningbo Enterprise Federation, Ningbo Entrepreneurs Association, and Ningbo Federation of Industrial Economics jointly released four lists for 2025, including the Top 100 Manufacturing Enterprises in Ningbo and the Top 100 Competitive Enterprises in Ningbo. Leveraging its steadily growing business performance and outstanding innovation capabilities, Qrunning Cable stood out and once again secured spots on two major lists: “Top 100 Manufacturing Enterprises (Ranked 60th)” and “Top 100 Competitive Enterprises (Ranked 28th)”. Among these, its ranking in the Top 100 Manufacturing Enterprises has climbed 5 places compared to last year.       Manufacturing serves as the “ballast stone”... - [2025 China Fair Competition Policy Awareness Week](https://www.qrunningcable.com/2025-china-fair-competition-policy-awareness-week): September 8–12, 2025 marks China’s Fair Competition Policy Awareness Week. This year’s theme is: Unified Market, Fair Competition for the Future Promotional Poster   Slogans 01 Fair competition drives development; unified markets unleash vitality 02 Building a level playing field for competition; advancing high-quality development 03 Competition sparks dynamism; fairness charts the course 04 Cultivate a competitive mindset; strengthen competitive awareness; shape a culture of competition 05 Fair Competition Fuels Development Vitality Drives Progress 06 Fair Competition Lays the Foundation Unified Market Boosts Development 07 Uphold Fairness Safeguard Competition Promote Innovation Enhance Vitality 08 Anti-Monopoly Fairness Promotion Strengthened Rule of Law... - [Company's PV cables obtain TÜV Rheinland Certification, win "quality passport".](https://www.qrunningcable.com/companys-pv-cables-obtain-tuv-rheinland-certification-win-quality-passport): Recently, Qrunning Cable’s PV-specific cables, namely the PV1-F type (in compliance with TÜV Rheinland standard 2 PfG 1169/08.07) and the H1Z2Z2-K type (in compliance with European standard EN 50618:2014), have successfully passed the certification by TÜV Rheinland Group Germany, and officially obtained the “quality passport” for entering the international market. This achievement not only marks the company’s key expansion of its products into the high-end new energy cable sector, but also serves as another proof of the company’s diversified market layout and further upgrading of its comprehensive strength. As one of the world’s most recognized, authoritative, and rigorous quality certifications, TÜV... - [Benefits of Using PV Wire in Installations](https://www.qrunningcable.com/benefits-of-using-pv-wire-in-installations): Are You Using the Right Wire for Your Photovoltaic Installation? Photovoltaic (PV) installations are becoming increasingly popular as the demand for renewable energy rises, but are you using the right wire to optimize efficiency and safety? Many installation professionals face the challenge of selecting a wire that meets both electrical and environmental demands. Choosing the wrong cable can lead to performance issues, increased risks of fire hazards, and shortened system lifespan. Fortunately, the solution lies in using PV wire, which is specifically designed to withstand the demands of photovoltaic installations. By using high-quality PV wire from a reliable wholesaler, you ensure... - [Understanding the Benefits of UG Cable](https://www.qrunningcable.com/understanding-the-benefits-of-ug-cable): What are the Types of Underground Cables? Underground cables are categorized based on insulation material, voltage level, and design. These variations ensure the right match for different industrial and infrastructural needs. Read more：https://www.qrunningcable.com/portfolio_category/armored-cable/ Low Voltage UG Cable This type of cable is commonly used in residential or commercial settings for distributing power up to 1kV. It ensures safety in urban environments where overhead wires may cause accidents. Medium Voltage UG Cable Operating between 1kV and 33kV, these cables are ideal for industrial zones and regional networks. They offer greater durability and efficiency, supporting continuous power transmission under demanding conditions. High Voltage... - [Understanding Overhead Electric Cable Safety Standards](https://www.qrunningcable.com/understanding-overhead-electric-cable-safety-standards): Understanding Overhead Electric Cable Safety Standards Are you aware of the safety risks associated with overhead electric cables? Overhead power lines are essential for providing electrical energy, but they come with significant hazards that can endanger workers and the public. The causes of these risks typically stem from improper handling, lack of awareness, or failure to follow safety standards. This can lead to serious injuries or fatalities, as well as costly damage to infrastructure. At [Your Company Name], we are dedicated to ensuring the highest standards of safety with our customizable solutions that guarantee secure and efficient operation around overhead power... - [Key Safety Tips for High Voltage Cables](https://www.qrunningcable.com/key-safety-tips-for-high-voltage-cables): Are You Concerned About the Safety Risks of Handling High Voltage Cables? For contractors, distributors, and engineers, working with high voltage cables can be a serious challenge. Accidents often happen because of poor training, weak safety systems, or unreliable suppliers. These mistakes can cause dangerous shocks, equipment failures, and costly delays. The solution lies in following proven safety rules and working with trusted manufacturers that guarantee reliable HV cables. At QRUNNING, we combine over 30 years of experience with advanced production standards to deliver safe, customisable, and certified cables. As a leading wholesaler and supplier, we support projects worldwide with high-quality... - [Understanding High Voltage Cable Applications and Benefits](https://www.qrunningcable.com/understanding-high-voltage-cable-applications-and-benefits): Are You Struggling to Source Reliable High Voltage Cables for Your Projects? Many construction companies, distributors, and power engineering contractors face the same issue: sourcing high voltage cables that meet strict quality standards, arrive on time, and come with trusted certification. Poor-quality cables can cause delays, safety risks, and financial losses. The solution lies in working with an experienced manufacturer and supplier. With over 30 years of industry expertise, QRUNNING offers top-quality HV cables, customizable designs, and OEM & ODM services. Our factory operates 10 advanced production lines, delivering up to 200 million meters annually. As a leading Chinese wholesaler, we... - [Why is cable bend radius important?](https://www.qrunningcable.com/12059-2): Are tight cable bends putting your project at risk—and your budget on the line? When a cable is bent too sharply, copper strands can micro-fracture, insulation can craze, and shielding can deform—leading to heat buildup, signal loss, and premature failure. That means downtime, rework, and failed inspections. The fix is simple: design and install to the correct cable bend radius. As a China-based Manufacturer and Wholesaler of up to 500 kV power cable, QRUNNING offers Customisable constructions, OEM/ODM support, testable certificates, and reliable lead times from 10 production lines (200 million meters capacity). We help buyers and contractors in Vietnam and beyond get... - [Qrunning Cable ranked 26th among China's most competitive enterprises in the wire and cable industry for 2025.](https://www.qrunningcable.com/qrunning-cable-ranked-26th-among-chinas-most-competitive-enterprises-in-the-wire-and-cable-industry-for-2025): On 26 August, the 2025 China Wire and Cable Industry Conference, themed ‘Innovation and Intelligence Empowering Quality Leadership for the Future’, commenced in Shanghai. Jointly organised by the Wire and Cable Branch of the China Electrical Equipment Industry Association and Shanghai Cable Research Institute Co., Ltd., this industry gathering brought together sector leaders, authoritative experts and representatives from leading enterprises nationwide. Participants collectively focused on core issues concerning the high-quality development of the wire and cable industry, exploring new pathways for industrial upgrading. During the conference, the highly anticipated ‘2025 China’s Top 100 Most Competitive Enterprises in the Wire and Cable... - [What is Cable Bend Radius](https://www.qrunningcable.com/what-is-cable-bend-radius): Have you ever wondered why your cable systems fail earlier than expected? Improper handling of cable bend radius is one of the most common causes behind premature damage in power and communication systems. When a cable is bent too tightly, it suffers internal stress, leading to cracks, reduced conductivity, or even total system breakdown. For large-scale projects, this means costly delays, safety risks, and equipment replacement. The solution lies in following correct minimum bend radius guidelines. As a leading manufacturer and wholesaler with over 30 years of experience, QRUNNING offers premium-quality cables up to 500kV, backed by certified testing, advanced production... - [What You Don't Know About Mineral Insulated Cable](https://www.qrunningcable.com/what-you-dont-know-about-mineral-insulated-cable): Are your projects losing bids because you don’t fully trust the performance of MICC Cables? Problem: Many buyers — contractors, project managers, and electrical distributors — worry that Mineral Insulated Cables will fail under harsh conditions, cost too much, or arrive late, which can sink bids and delay construction. Agitation: that uncertainty leads to conservative sourcing, missed opportunities, and costly rework when low-quality cables or fake certificates appear. Solution: partner with a reliable Manufacturer and Supplier. At QRUNNING we offer **MICC Cables** backed by 30+ years of production experience, OEM/ODM Customizable options, strict quality control, and large factory capacity to ensure... - [The Ultimate Guide to Mineral Insulated Cables (MICC/MI Cable)](https://www.qrunningcable.com/the-ultimate-guide-to-mineral-insulated-cables-micc-mi-cable): Understanding Mineral Insulated Cables (MICC/MI) Mineral Insulated Cables (MICC)—also called MI Cables—encapsulate copper conductors inside compacted magnesium oxide (MgO) within a seamless metal sheath. This inorganic design delivers outstanding fire resistance, high-temperature tolerance (continuous service in extreme heat), and is inherently halogen-free and non-toxic. Rigid MICC excels in fixed, harsh environments with unmatched durability and small diameters; flexible mineral insulated cables such as BBTRZ and YTTW use mineral fillers plus flexible metallic sheaths to simplify routing, speed installation, and reduce accessories. Rigid types suit risers, tunnels, and long fire-survival feeders; flexible types shine in renovations, dense trays, and complex bends—without sacrificing... - [What are the Key Differences Between Solar Cable and Normal Cable](https://www.qrunningcable.com/what-are-the-key-differences-between-solar-cable-and-normal-cable):   The Main Differences Between Solar Cable and Normal Cable Solar cables and normal cables serve similar purposes in transmitting electrical power, but they are designed with distinct features to meet specific requirements. The key difference lies in their construction and materials. Solar cables are specially designed to withstand harsh environmental conditions, including exposure to UV rays, moisture, and temperature fluctuations. They are also insulated with high-quality materials to prevent power loss and ensure efficient transmission. On the other hand, normal cables are typically designed for general electrical applications and may not possess the same level of durability required for solar... - [Difference Between Flame Retardant And Fire Resistant Cables](https://www.qrunningcable.com/difference-between-flame-retardant-and-fire-resistant-cables):   What are Flame-Retardant or Fire-Resistant Cables? Flame-retardant and fire-resistant cables are crucial components for enhancing safety in buildings, industrial settings, and transportation systems. These cables are designed to limit the spread of fire or maintain functionality during a fire. Flame-retardant cables prevent the spread of flames along the cable’s length, while fire-resistant cables ensure that the cable can still operate in a fire, allowing electrical circuits to remain intact for a limited period.       When Should Flame-Retardant Cables be Used? Flame-retardant cables should be used in environments where the risk of fire is present, but continuous electrical operation... - [What is a single core fire resistant cable?](https://www.qrunningcable.com/what-is-a-single-core-fire-resistant-cable): Single-core fire-resistant cables Single-core fire-resistant cables are specifically designed to ensure the safety of electrical systems in the event of a fire. These cables continue to perform under high heat conditions, offering critical protection in various applications, including industrial settings, high-rise buildings, and more. Their robust insulation allows them to remain operational in fire situations, minimizing potential risks to personnel and infrastructure. When should we use fire-resistant cables? Fire-resistant cables are essential in areas where fire safety is a priority, such as in buildings with high occupancy, critical infrastructure, and systems that must remain operational during emergencies. These cables are especially... - [What is PVC insulation](https://www.qrunningcable.com/what-is-pvc-insulation): What is PVC insulation? PVC (Polyvinyl Chloride) insulation is a widely used material in the manufacturing of cables, offering both electrical and physical protection. This thermoplastic polymer is often used to cover electrical conductors, providing insulation that resists heat, moisture, and chemical corrosion. PVC-insulated cables are durable, cost-effective, and adaptable, making them an ideal choice for various industrial, commercial, and residential applications. Benefits of PVC Insulation PVC insulation offers a range of benefits, including high resistance to moisture, chemicals, and abrasion. It is flexible, cost-effective, and has excellent electrical properties. Moreover, PVC cables can withstand a variety of environmental conditions, making... - [When to use armored cable](https://www.qrunningcable.com/when-to-use-armored-cable):   When to use armored cable?   Armoured cables are essential in situations where safety, durability, and protection from external factors are needed. These cables, often used in industrial and commercial settings, are designed to withstand harsh conditions, offering enhanced protection for electrical wiring. The inclusion of a protective metal sheath makes them ideal for areas where cables are vulnerable to mechanical damage, moisture, or corrosive environments. Where is armoured cable used? Armoured cables are typically used in industrial settings, underground installations, and areas with high-risk exposure to physical damage. They’re also ideal for outdoor applications, including construction sites, mining, and... - [Battle high temps, boost output, ensure delivery](https://www.qrunningcable.com/battle-high-temps-boost-output-ensure-delivery): No sooner had the typhoon passed than the scorching heat of the “dog days” swept in again. During this peak season for power transmission cables, frontline workers are facing a critical production challenge—maintaining high output despite extreme temperatures. Undeterred by the sweltering conditions, they stand firm at their posts, ensuring timely order fulfillment. At noon, our team visited the workshop, where temperatures had already reached 35°C (95°F) amid the heat radiating from running machinery. Yet, the workers pressed on—transporting materials, operating equipment, recording production data—every process running smoothly despite the oppressive heat. Near the 200-type extruder, the air hung thick and... - [What is Solar Cable](https://www.qrunningcable.com/what-is-solar-cable):   What is Solar Cable?   Solar cable refers to the specially designed electrical wire used to connect different components of a photovoltaic system. It plays a critical role in ensuring energy is transmitted safely and efficiently from the solar panels to the inverter and beyond. Manufactured to resist extreme environmental conditions, solar cables are essential for long-lasting and stable solar power systems.     Characteristics of Solar Cable Solar cables are known for their high durability, UV resistance, and weatherproof insulation. These cables are typically rated for high voltage, extreme temperature ranges, and harsh outdoor environments. High-quality solar cable manufacturers... - [Why is pvc a good insulator?](https://www.qrunningcable.com/why-is-pvc-a-good-insulator):   What are PVC-insulated cables? PVC-insulated cables are electrical wires coated with polyvinyl chloride (PVC), a durable plastic material used to insulate and protect conductors. These cables are designed to prevent electrical leakage, short circuits, and environmental damage. Known for their flexibility and resistance to heat and chemicals, PVC insulated wire is widely used in residential, commercial, and industrial applications. This versatile insulation type forms the backbone of many cable products offered by reliable manufacturers and suppliers. The Advantages of PVC PVC insulation offers excellent electrical and mechanical properties, including flame retardance, chemical resistance, and affordability. It is also lightweight and... - [What is armored cable used for?](https://www.qrunningcable.com/what-is-armored-cable-used-for): Where is armored cable used？ Armored cable is widely used in various demanding environments such as underground installations, industrial facilities, power plants, and outdoor applications where mechanical protection is essential. It is especially common in areas exposed to physical damage or high moisture, ensuring safe and continuous power supply even under challenging conditions. Armored cable is typically used when added mechanical protection is needed beyond what standard electrical cable provides. These cables are ideal for high-traffic areas, hazardous environments, and installations where rodents or accidental damage could compromise unarmored cables. Choosing armored cable ensures greater safety and long-term reliability. The main... - [What is armoured cable](https://www.qrunningcable.com/what-is-armoured-cable): What exactly is an armoured electrical cable? Armoured electrical cable is a specialized type of power cable designed with a protective metal layer that enhances mechanical protection, durability, and resistance to environmental conditions. These cables are widely used in industrial, commercial, and outdoor applications where cables are subject to harsh physical stress or potential damage. The armouring not only extends the cable’s lifespan but also safeguards the integrity of power transmission. At QRUNNING, a Chinese leading manufacturer with over 30 years of experience, we produce top-quality armoured cables up to 500kV. Our factory operates with 10 advanced production lines and a... - [Qrunning Cable Wins ¥157M Bid in State Grid's 2025 Batch-43 Tender](https://www.qrunningcable.com/qrunning-cable-wins-%c2%a5157m-bid-in-state-grids-2025-batch-43-tender): Good News from the Bid-winning Recently, Qrunning Cable has been experiencing a string of successful bids in the power grid market: Following the successful bid for a project worth 830 million yuan by the State Grid in June, and the winning of a major project worth over 500 million yuan for the main distribution network of the Southern Grid in early July, this week it has brought even more good news – securing an order worth 157 million yuan in the 43rd batch of State Grid’s 2025 project bidding (for transmission and transformation equipment including cables)! Behind the company’s impressive achievements... - [What is pvc insulated cables?](https://www.qrunningcable.com/what-is-pvc-insulated-cables): What is PVC-insulated cable? PVC-insulated cable is a type of electrical wire that uses polyvinyl chloride (PVC) as the primary material for insulating the conductor. This insulation acts as a protective layer to prevent electrical leakage, short circuits, and physical damage. As one of the most widely used types of cable insulation, PVC-insulated w ire is renowned for its durability, affordability, and wide application across industries including power distribution, electrical i nstallations, and construction projects. With its excellent electrical and mechanical properties, PVC insulation is favored by manufacturers and suppliers globally for low to medium-voltage cable production. As a leading Chinese... - [Great News Won State Grid Bid Over 800M CNY](https://www.qrunningcable.com/11898-2): Recently, Qiu Guan Cable achieved outstanding results in the first joint procurement tender for cable materials and related industrial units in the five major regions (East China, North China, Central China, Sichuan and Chongqing, Northeast China, Northwest China, and Tibet) of State Grid Corporation of China in 2025, winning a total of 830 million yuan in bids, a new record high! The scope of this bid win spans from the eastern coastal provinces of Zhejiang, Jiangsu, and Shanghai, to the central inland provinces of Hunan, Hubei, and Sichuan, and further to Heilongjiang in the northeast and Shaanxi in the northwest. The... - [What are the advantages of XLPE material?](https://www.qrunningcable.com/what-are-the-advantages-of-xlpe-material): What is XLPE material? XLPE (Cross-linked Polyethylene) is a thermoset insulation material widely used in electrical cable manufacturing due to its excellent thermal, mechanical, and electrical properties. The cross-linking process alters the molecular structure of polyethylene, making it more resistant to heat, deformation, and chemical exposure. As a result, XLPE material is capable of maintaining stability under extreme environmental conditions and electrical loads, making it a preferred choice for industrial, commercial, and infrastructure cable applications. Today, electrical cable XLPE products are essential components in modern power distribution systems, ensuring safety, efficiency, and durability. Trusted manufacturers and suppliers rely on XLPE material... - [What is XLPE Insulation?](https://www.qrunningcable.com/xlpe-insulation): What is XLPE Insulation? XLPE (cross-linked polyethylene) insulation is a high-performance polymer used in power and electrical cables for enhanced thermal, chemical, and mechanical durability. Technical Specifications – Our XLPE insulation meets IEC and IEEE standards, offers up to 90 °C continuous operating temperature, excellent dielectric strength, and OEM & OEM service advantages with in-house production capacity of 200M m. This makes us a competitive electrical cable XLPE supplier.   XLPE Applications – Cable XLPE is ideal for medium‑ and high‑voltage power distribution, industrial wiring, solar and wind farms, and underground transmission lines, used by manufacturers and contractors worldwide. Continue reading to explore... - [STA vs. SWA: Which Armoured Cable Type Should You Choose?](https://www.qrunningcable.com/sta-vs-swa-which-armoured-cable-type-should-you-choose): STA vs SWA Armored Cables: Structural Differences Illustrated When comparing steel tape armour (STA) and steel wire armour (SWA) cables, the structural distinctions are clear and decisive. STA cables feature multiple layers (typically two to three) of helically wrapped steel tape over their bedding, providing flat, contiguous protection. Tape thickness ranges from around 0.4 mm to 0.6 mm, depending on voltage rating and mechanical demands. In contrast, SWA cables incorporate steel wires — often single-layer or double-layer — spiral-wound around the bedding. These wires typically range from 1.0 mm to 2.5 mm in diameter and are separated by bedding yarns, forming discrete round armour elements.... - [Qrunning Cable Wins “Top 10 Cable Brands” and Three Other Honors Again](https://www.qrunningcable.com/qrunning-cable-wins-top-10-cable-brands-and-three-other-honors-again): Recently, Qrunning Cable, with its outstanding product quality, strong technological innovation capabilities, and excellent market reputation, was once again recognized in the “2025 9th Annual Cable Bidding and Procurement Evaluation and Recommendation Event” organized by China Procurement and Bidding Network and China Famous Enterprise Ranking Network. The company was honored on four major lists for 2025: “Top 10 Power Cable Brands,” “Top 10 Special Cable Brands,” “Top 10 Green Cable Brands,” and “Top 10 Rail Transit Cable Brands.” Since the inception of the platform’s cable bidding and procurement evaluation activities, Qrunning Cable has received multiple “Top 10 Cable Brand” honors for... - [Top 10 Chinese Brands of Medium and Low Voltage Cables in 2025 (in no particular order)](https://www.qrunningcable.com/top-10-chinese-brands-of-medium-and-low-voltage-cables-in-2025-in-no-particular-order): Beijing, May 12, 2025 — The “2025 (7th) China Wire and Cable Evaluation and Promotion” event, hosted by the Bidding and Supply Chain Brand Promotion Platform, concluded successfully today. With the theme of “Innovation-Driven, Quality-Led, and Green Empowerment,” the event underwent nearly two months of rigorous evaluation.and unveiled the following prestigious awards: “Top 10 Leading Brands of China’s Wire and Cable Industry in 2025,” “Top 10 Brands of China’s Wire and Cable Industry in 2025,” “Top 10 Power Cable Brands of China in 2025,” “Top 10 High-End Equipment Cable Brands of China in 2025,” “Top 10 New Energy Cable Brands of... - [Impedance Control Process for Coaxial Cables](https://www.qrunningcable.com/impedance-control-process-for-coaxial-cables): The physical significance and derivation formula of characteristic impedance (typically 50Ω/75Ω) Characteristic impedance is a key electrical parameter of coaxial cables, representing the ratio of voltage to current in a signal-carrying line under steady-state conditions. It affects signal transmission efficiency, reflection, and loss. The formula for characteristic impedance (Z0) of a coaxial cable is derived as: Z0 = (60/√εr) × ln(D/d), where εr is the dielectric constant, D is the inner diameter of the shield, and d is the outer diameter of the inner conductor. Why does the foam density of the insulation layer and the concentricity of the conductor affect... - [Single-layer shielding vs. double-layer shielding](https://www.qrunningcable.com/single-layer-shielding-vs-double-layer-shielding): Basic Comparison of Shielding Structures Shielded cables utilize one or more conductive layers to block electromagnetic interference (EMI). A single-layer shield generally consists of a braided mesh or foil wrap around the core conductor, providing moderate protection. Double-layer shielding combines two layers—typically a foil and a braid—to deliver superior EMI performance across wider frequency ranges. The cross-section below illustrates the structural differences, where single-layer shields typically offer 60–85% coverage, while double-layer designs provide up to 100% with overlapping materials. Electromagnetic Interference (EMI) Suppression Capability Electromagnetic interference can significantly affect signal integrity, particularly in high-frequency or industrial environments. Single-layer shielding is adequate... - [How Does the Temperature Rating of Insulation Materials Affect Cable Lifespan?](https://www.qrunningcable.com/how-does-the-temperature-rating-of-insulation-materials-affect-cable-lifespan): Definition of Insulation Material Temperature Ratings Temperature rating of insulation materials refers to the maximum continuous operating temperature a cable’s insulation can withstand without significant degradation. It is typically measured in degrees Celsius (°C) and standardized by organizations such as IEC, UL, and IEEE. This rating is critical for determining a cable’s suitability for specific environments and directly impacts its operational lifespan and reliability. Chemical Changes in Insulation Materials at High Temperatures At elevated temperatures, the molecular structure of insulation materials undergoes irreversible changes that reduce their mechanical and dielectric properties. Key degradation mechanisms include oxidation, which introduces polar groups that... - [Engineering Practices to Avoid Voltage Drop: Optimization of Cable Length and Cross-sectional Area](https://www.qrunningcable.com/engineering-practices-to-avoid-voltage-drop-optimization-of-cable-length-and-cross-sectional-area): Understanding Voltage Drop: Principles, Formula, and International Standards Voltage drop is the reduction in voltage as electric current flows through a conductor. This phenomenon is governed by Ohm’s Law and is expressed as: V = I × R = I × (ρ × L / A), where V is voltage drop, I is current (A), ρ is resistivity (Ω·m), L is cable length (m), and A is cross-sectional area (mm²). Various international standards limit allowable voltage drop to prevent power loss and equipment malfunction. 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