In-depth Analysis of Industry Requirements: The power transmission and distribution sector serves as the ‘a(chǎn)rtery’ for electricity conveyance. Its operational environment is complex and variable, potentially confronting challenges such as high altitudes, extreme temperature differentials, high humidity, and intense electromagnetic fields. The industry's demands for cables far exceed those of ordinary power transmission, centring on exceptionally high reliability, long-term operational stability, and the capacity to withstand extreme electrical and environmental stresses. Any cable failure could trigger widespread power outages, causing substantial economic and societal disruption. Consequently, critical priorities include insulation design, material processing, shielding efficacy, and long-term ageing performance.
Henghui Cable's Core Solutions: Henghui Cable delivers comprehensive cable system solutions spanning power generation, transformation, transmission, and distribution. We specialise in utilising ultra-pure cross-linked polyethylene (XLPE) materials, employing advanced production techniques such as CCV (Chain-Chain Cross-linking) to manufacture high-voltage and extra-high-voltage cables with exceptional electrical performance, outstanding thermal resistance and mechanical strength, and resistance to water tree growth. Additionally, to address specialised environments, we supply specialised cables featuring flame retardancy, fire resistance, termite resistance, rodent resistance, and corrosion resistance, ensuring the robustness and intelligence of power grid infrastructure.
Examples of Typical Applications:
① Ultra-high voltage 110kV cross-linked polyethylene (XLPE) insulated cable systems: This product serves as the backbone for urban grid transmission lines and interregional power interconnections. For instance, in transmission corridors requiring river crossings or traversing densely populated urban areas where overhead lines cannot be installed, Henghui's 110kV XLPE cables are employed for underground installation. Featuring ultra-smooth conductor shielding and insulation shielding combined with dry cross-linking technology, this cable guarantees an impurity-free insulation layer with zero air gaps. Its exceptionally low partial discharge levels enable it to withstand extremely high operating voltages and system short-circuit currents, ensuring absolute safety for national backbone grids.
Corresponding product link: 66-110kV Cross-linked Polyethylene Insulated Power Cable

② Aluminium Alloy Core Overhead Insulated Cable: Specifically engineered for upgrading rural and mountainous grid networks with extended distances and large spans. Compared to conventional copper cables, it achieves a 30% weight reduction while maintaining equivalent conductivity, substantially lowering tower mechanical loads and overall project costs. Its high-strength weather-resistant insulation withstands UV radiation, precipitation, and salt spray corrosion, delivering a service life exceeding 30 years.
Corresponding product link: 20kV and below steel-armoured aluminium (aluminium alloy) core overhead insulated cables

In-depth Analysis of Industry Requirements: The operational environment within the new energy sector typically involves unmanned facilities exposed to harsh conditions (intense ultraviolet radiation, significant diurnal temperature fluctuations, wind and rain erosion), with extreme sensitivity to power generation efficiency. The long-term weather resistance, temperature tolerance, DC voltage endurance, and mechanical strength of cables directly impact the efficiency, reliability, and return on investment of power generation systems. For instance, within photovoltaic systems, a cable's DC resistance and heat resistance impact overall system efficiency. In wind farms, a cable's resistance to twisting directly relates to turbine maintainability and lifecycle costs.
Henghui Cable's Core Solutions: Henghui Cable possesses a deep understanding of the unique characteristics of new energy technologies, providing a comprehensive range of cable products spanning the entire chain from generation to transmission, and extending to energy storage and charging. We employ specially modified cross-linked polyolefin materials, enabling cables to withstand temperature variations from -40°C to 120°C or wider ranges, alongside intense ultraviolet radiation. Optimised conductor and insulation designs minimise DC resistance, reducing energy losses. For mobile applications, dedicated torsion and bending designs ensure exceptionally long service life in dynamic environments.
Typical Application Examples:
① Photovoltaic cables: As photovoltaic technology advances towards higher voltages to reduce line losses, Henghui's PV cables have emerged. Featuring dual-layer irradiation-crosslinked halogen-free materials, these cables excel in DC voltage rating, high-temperature resistance (e.g., 120°C), and current-carrying capacity. In large-scale Gobi Desert photovoltaic power stations, this cable reduces the number of series connections, lowering system costs. Its superior heat resistance also permits higher current carrying capacity at elevated ambient temperatures, thereby enhancing the overall power generation efficiency of the photovoltaic array.
Corresponding product link: Solar Photovoltaic Cable (EN Standard, IEC Standard, TüV Standard)

In-depth Analysis of Industry Requirements: Rail transit constitutes a vital lifeline for public safety, imposing some of the most stringent standards for cables across all sectors. Cables must guarantee continued functionality under extreme conditions including fire, vibration, impact, humidity, and chemical corrosion. Core requirements encompass high safety, reliability, longevity, and environmental sustainability. Particularly crucial is fire safety, demanding cables that produce low smoke, are halogen-free and low-toxicity when burning, while maintaining circuit integrity for a specified duration within flames.
Henghui Cable's Core Solution: Henghui Cable fully complies with international and Chinese railway standards, providing complete vehicle wiring systems for rail transit. We employ halogen-free, low-smoke, flame-retardant materials to maximise passenger and staff safety during fires. Our products undergo rigorous testing for resistance to oil, fuel, coolants, and UV radiation, while withstanding prolonged vibration and impact. From rolling stock to fixed installations, we offer a complete product range meeting diverse fire-resistance ratings and providing moisture and mould protection.
Typical Application Examples:
① Tramway-specific cables: Henghui's YG-WDZ-YJE23 series cables are extensively deployed in tramway power supply systems. Serving as the core component linking power systems to tram operations, they facilitate electrical transmission, signal control, safety assurance, and stable system functioning throughout the entire process. It combines high conductivity, heat resistance, interference immunity, and environmental adaptability to ensure efficient and safe tram operation, providing a more reliable ‘lifeline’ for urban rail transit.
Corresponding product link: 10kV Cross-linked Polyethylene Insulated Tramway Power Supply System Engineering Power Cable

In-depth Analysis of Industry Demands: Industrial manufacturing environments serve as an ‘extreme testing ground’ for cable applications. Cables must withstand continuous mechanical motion (such as drag chains and torsion), chemical corrosion (oils, solvents, acids, alkalis), extreme temperatures, and increasingly severe electromagnetic interference (EMI) challenges. Particularly within the context of Industry 4.0 and smart manufacturing, cables serve not only as power carriers but also as conduits for data signals. Their reliability directly impacts production line uptime, product yield rates, and equipment longevity.
Henghui Cable's Core Solutions: Henghui Cable is dedicated to providing industrial clients with integrated ‘power + control + data’ cable solutions. Through specialised materials and unique structural designs, we produce cables featuring high flexibility, oil resistance, acid/alkali resistance, tear resistance, and antimicrobial properties. Concurrently, we offer comprehensive shielding solutions (such as copper braid shielding and aluminium-plastic composite tape shielding combinations) to effectively suppress electromagnetic interference. This ensures precise signal transmission for servo systems, encoders, and sensors within complex industrial electromagnetic environments.
Typical Application Examples:
① Flexible Control Cables: Widely employed in CNC machine tools and robotic joint internal wiring. Featuring a specially modified elastomer sheath resistant to engine oil and coolant corrosion, it maintains exceptional flexibility across temperatures from -40°C to +105°C. Its tin-plated copper braid shielding achieves over 85% coverage, effectively suppressing electromagnetic interference from inverters and motors to guarantee ‘zero error’ control signals.
Corresponding product links: 450-750V cross-linked polyethylene insulated control cable, 450-750V polyvinyl chloride insulated control cable

② Dedicated Variable Frequency Drive Cable: Designed for powering variable frequency motors. Features a triple-layer co-extruded structure with phase-separated shielding to effectively suppress high-frequency harmonic interference. Its 100% symmetrical wave impedance reduces ‘cable-end overvoltage’ phenomena at the drive output, thereby protecting motor insulation.
Corresponding product link: 1kV rated voltage variable frequency power cable

③ Computer and Instrumentation Cables: Henghui's DJYVP series computer cables employ twisted-pair + overall shielding construction, with capacitance imbalance ≤1% and working capacitance ≤0.06μF/km, ensuring accurate and reliable signal transmission. Widely applied in DCS systems, PLC control, instrumentation connections and other scenarios demanding high-precision signal transmission, providing dependable signal transmission assurance for industrial automation.
Corresponding product links: 300-500V High/Low Temperature Resistant Computer and Instrumentation Cable, 300-500V Computer and Instrumentation Cable

In-depth Analysis of Industry Demands: Infrastructure development forms the bedrock of cable applications, characterised by exceptionally broad deployment scenarios, diverse installation environments, and design requirements for extended service life. From densely populated public buildings to major projects vital to national economy and people's livelihoods, cables must fulfil core requirements including fire safety, energy efficiency, environmental protection, ease of installation, and maintenance-free operation. Modern smart buildings further impose new demands on cables' data transmission capabilities (such as 5G and IoT) and intelligent management systems.
Henghui Cable Core Solutions: Henghui Cables delivers a comprehensive product ecosystem for infrastructure, spanning low-voltage to ultra-high-voltage applications and encompassing power transmission to information control. We actively promote eco-friendly cables (halogen-free, low-smoke, low-toxicity, and renewable materials) to meet modern building environmental standards. Our modular, pre-fabricated cabling solutions (including pre-branched cables and plug-and-play fibre optic assemblies) enhance construction efficiency and quality. Concurrently, our products exhibit outstanding resistance to heat, cold, ozone, and ultraviolet radiation, adapting to diverse climatic conditions from tropical to polar regions, and from indoor to outdoor environments.
Examples of Typical Applications:
① Eco-friendly wires for fixed wiring: Henghui's environmentally conscious wires utilise halogen-free, low-smoke polyolefin materials, significantly reducing the generation of toxic, corrosive gases and smoke during fires. Widely deployed in fixed indoor wiring for premium residences, hospitals, educational institutions, hotels, and commercial complexes, they deliver the highest level of fire safety assurance for high-occupancy environments while guaranteeing no odour or harmful substance release during prolonged use.
Corresponding product link: Environmentally friendly wires and cables for fixed wiring applications rated 450-750V and below.