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Precision-manufactured tinned copper stranded wire configurations designed for down-conductors, flexible grounding jumpers, and precision equipment earthing.
Lightning protection systems (LPS) demand conductors capable of safely dissipating transient currents exceeding 100kA to 200kA in microseconds without thermal degradation or mechanical shear.
Lightning discharge is a high-frequency transient event (microsecond pulse). Multi-strand tinned copper construction increases the effective surface area compared to solid conductors, drastically cutting high-frequency AC impedance, reducing skin effect resistance, and minimizing lethal side-flashing.
Directly buried earthing conductors and coastal down-conductors face severe galvanic corrosion, soil acidity, and sulfur compounds. Continuous electrolytic tin coating acts as a sacrificial barrier, arresting oxidation and preserving full cross-sectional ampacity over decades of service life.
Engineered with oxygen-free high-conductivity (OFHC) copper strands, our wire absorbs severe thermal expansion cycles, mechanical vibrations in wind turbines, and dynamic building settling without work hardening or strand breakage.
With the rapid proliferation of automated smart grids, gigawatt-scale renewable energy installations, and hyperscale data centers, transient overvoltage protection has shifted from a passive safety mandate to a core operational continuity requirement.
Standard bare copper conductors exposed to outdoor air or acidic soils undergo rapid surface patination and copper oxide formation, which impedes low-impedance electrical bonding. Tinned copper stranded wire offers unmatched structural and conductive advantages:
The transition toward renewable energy, high-speed rail, and offshore installations has introduced stringent performance standards (IEC 62305, UL 96, NFPA 780, and GB/T 21431). Key trends driving the specification of tinned copper stranded wire include:
Zhejiang Xingma’s high-precision tinned copper stranded wires and braided connectors are deployed globally across high-stress electrical, telecommunication, and heavy industrial infrastructures.
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 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 vigorously expand related industries and gradually develop and expand. Passed ISO9001 quality system certification and ISO14001 environmental management system certification in 2020. In 2021, it won the star enterprise and excellent production enterprise awards. It is a member unit of the Zhejiang Cable Accessories Industry Association and a member unit of the China Forging Association.
Our advanced workshop houses over 300 domestic top-level manufacturing machines, including Dingtian wire drawing machines, Fuchuan bunching/stranding machines, pipe twisting machines, precision braiding machines, continuous annealing furnaces, middle drawing machines, automatic cutting machines, welding systems, air dryers, microscope hardness testers, automatic punching machines, 160-ton punching presses, wire dividing machines, flattening machines, large polishing machines, stamping parts cleaning machines, bench drills, and automated packaging systems.
Every production batch undergoes micro-hardness testing, tin-coating thickness verification, elongation testing, and DC electrical resistance audits to ensure uncompromised performance under lightning transients and continuous industrial current carrying applications.
Explore our complete portfolio of bare and tinned copper wire, high-flexibility stranded conductors, copper braided straps, and custom stamped assemblies.
From customized conductor cross-sections (10mm² to 500mm²) to pre-crimped terminal connectors and specific tin-plating thicknesses, our engineering team delivers precision solutions for demanding lightning protection projects.
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