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Explore our flagship copper stranded wire solutions designed for industrial power distribution, flexible connections, and high-performance electrical systems.
Flexible copper stranded wire is manufactured by twisting multiple fine copper conductors together to form a single, highly flexible electrical conductor. Unlike solid wire, the multi-strand architecture distributes mechanical stress across individual filaments, dramatically improving fatigue resistance and enabling the wire to withstand repeated bending, vibration, and thermal cycling without degradation of electrical performance.
In industrial power distribution systems, conductors must carry high currents reliably while tolerating dynamic mechanical loads. Flexible copper stranded wire delivers exceptional conductivity (up to 101% IACS for high-purity grades), superior current-carrying capacity, and the mechanical resilience required in switchgear, busbars, motor connections, transformer leads, and renewable energy installations.
Why engineers and procurement specialists worldwide choose Xingma flexible copper stranded wire for critical power distribution projects.
Manufactured from high-purity electrolytic copper (≥99.97% Cu), our stranded wire achieves conductivity levels exceeding 100% IACS, minimizing resistive losses in long-run industrial distribution networks and reducing energy costs over the system lifetime.
The multi-strand helical construction distributes bending stress uniformly. Our wire withstands millions of flex cycles — critical for robotic arms, drag chains, elevator cables, and any application subject to continuous motion or vibration-induced fatigue.
Available in bare copper and tin-plated variants. Tinning provides enhanced corrosion resistance in humid or chemically aggressive environments, improves solderability, and extends service life in coastal, marine, and chemical plant installations.
Engineered to perform from -40°C to +200°C (depending on insulation class), making our copper stranded wire suitable for both cryogenic industrial processes and high-temperature power generation and smelting environments.
Cross-sections from 0.5mm² to 630mm², strand counts from 7 to 1,000+, flat braided or round configurations, custom lengths, and OEM packaging — all available to meet exact project specifications with short lead times from our 10,000m² facility.
ISO 9001 quality management and ISO 14001 environmental management certifications underpin every batch. Hardness testing, microscope inspection, and conductivity verification are standard procedures before shipment.
The global flexible copper stranded wire market is being reshaped by four powerful macro-trends that are redefining how industrial power is generated, distributed, and consumed.
The global push toward net-zero emissions is accelerating investment in solar farms, wind turbines, and battery energy storage systems (BESS). Each of these installations demands thousands of meters of flexible copper stranded wire for inter-panel wiring, inverter connections, and grid tie-in cables. The IEA projects renewable capacity additions to triple by 2030, representing a sustained surge in conductor demand. Flexible copper stranded wire is uniquely suited here due to its ability to absorb vibration from wind turbines and thermal expansion in utility-scale solar arrays.
EV adoption is creating explosive demand for flexible copper conductors throughout the automotive supply chain — from battery pack busbars and motor windings to DC fast-charging station power feeds. Automotive-grade flexible copper stranded wire must meet stringent vibration, temperature cycling, and space constraints. The global EV charging infrastructure market is projected to exceed $100 billion by 2030, and every fast charger requires heavy-gauge flexible copper stranded wire for its power distribution backbone.
Industry 4.0 is driving the deployment of collaborative robots (cobots), servo-driven CNC systems, automated guided vehicles (AGVs), and intelligent switchgear. All of these require flexible copper stranded wire in their power and signal harnesses — wire that can endure millions of flex cycles in drag chains and cable carriers without failure. As factories become more connected and automated, the specification requirements for flexible conductors are rising in tandem.
Hyperscale data centers and 5G base station rollouts represent a new frontier for industrial power distribution. These facilities require dense, flexible copper wiring for power distribution units (PDUs), UPS systems, and busway connections. The need for low-resistance, high-flexibility conductors that can be routed in tight cable trays and overhead busway systems is driving a premium segment of the flexible copper stranded wire market.
From automotive assembly lines to offshore wind farms, flexible copper stranded wire is the invisible backbone of modern industrial power infrastructure.
In power plants — coal, gas, nuclear, and renewable — flexible copper stranded wire is used in generator stator windings, exciter connections, transformer tap leads, and switchyard grounding systems. The ability to handle high fault currents without mechanical failure is paramount. Our tinned copper braided wire provides both the current capacity and the vibration damping required in turbine hall environments.
Motor control centers (MCCs) and medium-voltage switchgear rely on flexible copper busbars and stranded wire for inter-compartment connections. The compact geometry of modern switchgear demands conductors that can be routed in tight radii without kinking. Flat braided copper wire and rectangular copper busbars from Xingma are engineered to meet IEC and UL panel-builder requirements.
High-speed rail, metro, and light rail systems use flexible copper stranded wire in traction power substations, third-rail connections, and onboard power distribution. The wire must withstand constant vibration, wide temperature swings, and exposure to traction current harmonics. Our multi-strand construction with annealed conductors provides the ductility required for these demanding railway applications.
Grid-scale BESS installations connect thousands of battery modules in series-parallel configurations using flexible copper busbars and stranded interconnects. The wire must tolerate thermal expansion during charge-discharge cycles and provide ultra-low resistance to maximize round-trip efficiency. Our soft copper stranded wire with tin plating is widely specified for BESS projects due to its combination of flexibility, corrosion resistance, and conductivity.
Offshore platforms, floating production vessels, and marine vessels require copper conductors that resist salt spray corrosion while maintaining flexibility in the rolling and pitching environment. Tinned copper braided tape and stranded wire from Xingma provide the corrosion protection and mechanical resilience demanded by DNV, ABS, and Lloyd's Register marine standards.
Commercial high-rises, hospitals, airports, and data centers use flexible copper stranded wire in rising main busbars, UPS bypass connections, and generator changeover switchgear. The flexibility of stranded wire simplifies installation in congested cable routes and allows field adjustment of connection lengths without cutting rigid conductors.
Located in Liushi — China's electrical capital — Zhejiang Xingma Copper Industry Co., Ltd. combines over 5 years of focused manufacturing excellence with ISO 9001 & ISO 14001 certification, 300+ top-tier machines, and a 2,000-ton annual capacity. Our flexible copper stranded wire products are trusted by OEMs, EPC contractors, and panel builders across Asia, Europe, and the Americas. From prototype to mass production, we deliver precision, reliability, and competitive lead times.
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Zhejiang Xingma Co., Ltd. was established in 2019 and is located in Liushi, the capital of electrical appliances in China. It is an enterprise mainly engaged in metal products, wire and cable processing and sales; import and export of goods and technology. The company revolves around the construction of a modern enterprise mechanism and mass production of mechanical automation. The leading products include copper wire, copper braided wire, copper stranded wire, soft copper stranded wire, brush wire, carbon brush wire, soft connection series products, metal stamping parts and other products. Best-selling at home and abroad, deeply trusted and welcomed by customers.
The company abides by the Universal Declaration of Human Rights and major United Nations conventions, respects human and labor rights, opposes discrimination and harassment, and is brave and determined to achieve and surpass itself. Relying on the manufacturing industry and taking scientific and technological innovation as the concept, we vigorously expand related industries and gradually develop and expand.
Zhejiang Xingma Copper Industry Co., Ltd. operates a factory with a construction area of more than 10,000 square meters and more than 100 employees, equipped with over 300 domestic top-level manufacturing machines.
Dingtian wire drawing machines and Fuchuan beam machines produce ultra-fine copper strands with precise diameter tolerances, ensuring consistent electrical performance across every reel.
Pipe twisting machines and high-speed braiding machines create complex multi-layer braid architectures for shielding, flexible busbars, and soft connection products.
Continuous annealing furnaces restore ductility to work-hardened copper, producing the soft, flexible conductors required for demanding flex-cycle applications in robotics and automation.
Automatic cutting machines, 160-ton punching presses, flattening machines, and wire dividing machines enable the production of custom-length, custom-profile copper busbars and flat wire to tight dimensional tolerances.
Microscope hardness testers, conductivity meters, and dimensional gauging are applied at every production stage. Full traceability from raw copper ingot to finished product is maintained for all export orders.
Automated packing machines and an experienced export logistics team ensure products arrive in perfect condition. Custom reel sizes, coil lengths, and labeling are available for OEM and distribution customers worldwide.
The company abides by the Universal Declaration of Human Rights and major United Nations conventions, respects human and labor rights, opposes discrimination and harassment, respects each other, and is brave and determined to achieve and surpass itself.
Relying on the manufacturing industry and taking scientific and technological innovation as the concept, we will vigorously expand related industries and gradually develop and expand. Passed ISO 9001 quality system certification and ISO 14001 environmental management system certification in 2020. In 2021, it won the star enterprise and excellent production enterprise. It is a member unit of Zhejiang Cable Accessories Industry Association and a member unit of China Forging Association.
Comprehensive copper conductor solutions for every industrial power distribution requirement — from precision equipment connections to high-current busbar systems.
