Explore our industry-certified C11000 copper stranded configurations, engineered for superior electrical throughput and flexibility.
In global electrical engineering, choice of material defines performance longevity and system safety. C11000, chemically designated as Electrolytic Tough Pitch (ETP) copper, represents the global standard for high-purity electrical applications. Composed of at least 99.90% pure copper, C11000 possesses an electrical conductivity rating of 101% IACS (International Annealed Copper Standard). This extreme conductivity is achieved through meticulous refining processes that minimize trace element contamination, thereby optimizing electron mobility within the crystal lattice.
Stranded wire made from C11000 is uniquely ductile and resistant to structural fatigue. By cold-drawing and thermal annealing, the copper wires achieve balanced elongation and tensile properties. For dynamic environments—such as EV battery links, high-power switchgear, and automotive cabling—C11000 stranded wire behaves with high reliability under thermal cycling and mechanical vibration. The presence of controlled oxygen levels (ranging from 0.02% to 0.04%) acts as an internal cleanser, binding with impurities during processing to preserve bulk electrical efficiency.
| Material Grade | Cu Purity (Min %) | Conductivity (% IACS) | Tensile Strength (MPa) | Primary Use Case |
|---|---|---|---|---|
| C11000 (ETP) | 99.90% | 101% | 220 - 340 | Busbars, Stranded Wires, Power Distribution |
| C10200 (OF) | 99.95% | 100% | 220 - 320 | Vacuum Electronics, Cryogenic Systems |
| C12200 (DHP) | 99.90% (P-doped) | 85% | 240 - 360 | Heat Exchangers, Condensers, Piping |
Established in 2019, Zhejiang Xingma Copper Industry Co., Ltd. has developed into a robust manufacturing enterprise located in Liushi, Wenzhou—historically celebrated as the "Capital of Electrical Appliances in China." This strategic geography places us at the epicenter of China's electrical distribution supply chain, enabling lightning-fast component sourcing, collaborative local technical clusters, and seamless logistical pathways to key ports like Ningbo and Shanghai.
Our primary operational focus spans the engineering, mass production, and export of premium copper wires, braided tapes, stranded connections, carbon brush shunts, and complex metal stamping assemblies. With standard ISO9001 and ISO14001 certifications achieved in 2020, and having earned the prestigious "Star Enterprise" award in 2021, we ensure that every meter of copper leaving our floor meets demanding international metrics.
To maintain an annual output capacity of over 2,000 tons, Xingma Copper has heavily invested in mechanical automation. Our facility houses over 300 modern wire processing and fabrication units, ensuring that diameter control, strand tension, and annealing tempers are maintained consistently throughout production runs.
Equipped with Dingtian wire drawing machines and Fuchuan beam/bunching machines. These advanced tools allow us to draw raw copper wire down to custom micro-diameters with sub-micron precision, maintaining standard geometric uniformity before stranding.
Featuring continuous atmosphere-controlled annealing furnaces, pipe twisting machines, and automated braiding looms. Controlled heat treatment relieves internal stresses in drawn C11000 copper, restoring its structural elasticity and electrical performance.
Quality is validated using microscope hardness testers, automated cutting systems, 160-ton precision punch machines, and wire division systems. Every production batch undergoes resistance testing, dimensional checking, and microscopic inspections.
C11000 stranded wire serves as a critical element in systems requiring high reliability. Due to its flexibility and high conductivity, it is utilized across various fields:
In conventional internal combustion vehicles and modern battery layouts, flexible C11000 copper braids and stranded wires provide grounding, vibration-resistant power paths, and high-amperage connections.
Crucial for EV battery pack modules, heavy-duty charger couplers, wind power generators, and solar inverters. The flexibility of stranded configurations absorbs thermal expansions and operational vibrations.
Installed inside high-voltage switches, breakers, and distribution busbars. These stranded systems guarantee low contact resistance, reducing overall heat generation in electrical panels.
Providing protection against electromagnetic interference (EMI/RFI). Our tinned copper braided tapes protect signal paths and connect high-frequency transmission modules to absolute earth ground.
Used in heavy electrical equipment, welding machines, and steel mill furnaces. These environments present intense thermal loading and mechanical stress, where C11000 copper provides stable current transmission.
Our facility in Liushi enjoys developed local logistics, enabling direct land transport to national industrial bases and rapid dispatch to export ports like Shanghai and Ningbo.
Proximity to localized non-ferrous metal markets ensures a stable supply of raw materials. This proximity reduces logistical costs and protects our production schedule from market-related material shortages.
We offer full-process customization including wire drawing, bunching, weaving, cutting, spot welding, and final stamping. We supply both raw stranded bulk reels and complete connectors.
Global energy changes have elevated the demand for high-grade copper components. Key purchasing trends in 2024 and beyond highlight specific demands for raw material traceability, structural flexibility, and strict tolerance control:
As power designs shrink and currents increase, reducing electrical resistance at interfaces becomes a design priority. High-purity C11000 stranded wire minimizes localized voltage drops and energy dissipation, helping prevent hot spots in dense server frames and heavy machinery enclosures.
Electric vehicle power assemblies are exposed to continuous chassis vibration and thermal cycles. Traditional solid busbars can suffer stress cracking at connection points. Flexible stranded copper links, especially custom plastic-coated wires, help absorb these mechanical movements, extending structural lifespan.
Purchasing compliance is vital for global supply networks. All C11000 stranded and braided wires produced by Xingma Copper undergo screening to ensure they meet European RoHS and REACH standards. We maintain strict control over our input materials to exclude hazardous elements from the final product.
Depending on the environmental conditions, conductors may require specific treatments. We offer bare copper for dry, sealed systems, and tinned copper options that resist oxidation, acid corrosion, and moisture ingress in marine or tropical applications.
Zhejiang Xingma Copper Industry Co., Ltd. follows international standards regarding human and labor rights, as outlined in the Universal Declaration of Human Rights and major UN conventions. We promote a safe workplace, reject discrimination, and focus on clean manufacturing processes. Our operational credentials include:
Review detailed answers to engineering questions about C11000 ETP copper stranded wire specifications, applications, and manufacturing tolerances.
Browse our complete product range, including stamping components, flat flexible links, and specialty copper alloys.
Zhejiang Xingma Copper Co., Ltd. works closely with industrial clients to deliver custom solutions. We analyze customer requirements and leverage our manufacturing experience to design, test, and manufacture reliable copper products tailored to your needs.
Xingma
