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Engineered to meet stringent German VDE and DIN standards for industrial safety and electrical performance.
Germany stands at the global forefront of advanced engineering, industrial automation, and the clean energy transition (Energiewende). As the nation rapidly updates its electrical infrastructure to accommodate wind farms in the North Sea, extensive solar arrays in Bavaria, and the transition to electric vehicles (EVs), the demand for high-performance grounding systems has surged. Among these, the braided copper ground wire has emerged as a critical component, offering unmatched flexibility, low electrical impedance, and superior electromagnetic compatibility (EMC) shielding.
In high-frequency applications, the skin effect causes current to flow primarily along the outer surface of a conductor. The multi-strand braided design of copper ground wires exponentially increases the surface area compared to solid wires, drastically reducing high-frequency impedance. This is critical for protecting sensitive electronics from lightning surges and high-frequency noise in modern German smart factories.
German manufacturers, particularly in sectors like automotive engineering (e.g., Volkswagen, BMW, Mercedes-Benz), mechanical engineering (Maschinenbau), and heavy electrical switchgear production, require grounding elements that can withstand continuous mechanical movement, thermal expansion, and vibration. Solid copper bars or wires are prone to work-hardening and eventual fracture under these conditions. Braided copper ground wires, constructed from hundreds of fine, high-purity copper strands, absorb vibration and flex without losing mechanical or electrical integrity.
Furthermore, Germany’s strict adherence to DIN standards (such as DIN 46444 for copper braids) and VDE regulations ensures that only the highest quality materials are integrated into the national grid and industrial setups. Factories supplying components to the German market must demonstrate rigorous quality control, high material purity (typically 99.9% oxygen-free copper), and precise dimensional tolerances.
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. Our products are best-selling at home and abroad, deeply trusted and welcomed by customers worldwide, including major European industrial distributors.
Our commitment to quality aligns directly with the high expectations of the German industrial sector. By utilizing state-of-the-art manufacturing automation, we ensure that every meter of braided copper ground wire delivered to our European partners meets precise mechanical and electrical specifications.
Zhejiang Xingma Copper Industry Co., Ltd. has a factory building with a construction area of more than 10,000 square meters and more than 100 employees. It has more than 300 domestic top-level manufacturing machines, the main equipment is: dingtian wire drawing machine, fuchuan beam machine, pipe twisting machine, braiding machine, annealing furnace, middle drawing machine, automatic cutting machine, welding machine, air dryer, microscope hardness tester, automatic punching machine, 160-ton punching machine, wire dividing machine, flattening machine, large polishing machine, stamping parts cleaning machine, bench drill, packing machine, etc., with an annual production capacity of more than 2,000 tons.
This extensive machinery lineup allows us to produce customized copper braided wires with varying spindle counts (such as 8, 12, 24, or 48 spindles), customized cross-sectional areas, and tinned finishes that prevent oxidation in coastal or chemically aggressive environments.
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 ISO9001 quality system certification and ISO14001 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. These certifications and memberships guarantee that our manufacturing processes are environmentally conscious and strictly monitored for consistent quality output.
From automotive manufacturing hubs in Baden-Württemberg to offshore wind farms in the North Sea, our braided copper ground wires serve critical roles.
The German electrical engineering market is evolving rapidly, driven by sustainability, digitalization, and electrification. Several key trends are shaping the future demand and design of braided copper ground wires:
As factories become "smarter" and pack more sensors, wireless transmitters, and high-frequency power electronics into tight spaces, electromagnetic noise increases. Braided copper flat wires are increasingly used as EMC shielding sleeves and grounding straps because their flat geometry provides a larger surface area, which is highly effective at absorbing and dissipating high-frequency noise that could otherwise corrupt critical data lines.
Under the European Union’s Circular Economy Action Plan and Germany’s Supply Chain Due Diligence Act (Lieferkettengesetz), manufacturers must trace and reduce the environmental footprint of their raw materials. Copper, being 100% recyclable without any loss in quality, is highly favored. Zhejiang Xingma is committed to sourcing high-grade, sustainable copper and optimizing our manufacturing efficiency to minimize waste.
German engineering firms often require bespoke solutions. Whether it is a specific spindle count for a unique braiding density, customized rectangular dimensions for compact busbars, or pre-terminated solder-dipped ends, we collaborate closely with engineering teams to deliver custom-tailored prototypes that fit their exact design envelopes.
For applications in Germany’s heavy chemical industries (centered in regions like Ludwigshafen) and coastal maritime installations, standard bare copper can oxidize quickly. The trend is shifting heavily toward tinned copper braided wires. The thin layer of tin protects the copper core from oxidation, chemical exposure, and galvanic corrosion when in contact with aluminum structures, extending the operational lifespan of the grounding system to match the 20-to-25-year lifecycle of modern industrial plants.
Explore our comprehensive range of high-conductivity copper wires, flexible busbars, and precision stamping components.
