In the realm of industrial power distribution and heavy electrical machinery, maintaining electrical continuity between moving and stationary components is a critical engineering challenge. Carbon brush wires, typically manufactured from highly flexible, multi-strand soft copper wires, serve as the crucial conductive connection link. These specialized wires connect carbon brushes to terminal blocks, allowing power to flow seamlessly to slip rings, commutators, and rotating shafts.
As industrial plants push for higher efficiency, the demands placed on these components have intensified. High-voltage switchgears, large electric motors, and massive generators require copper brush wires that can withstand constant vibration, thermal expansion, and mechanical wear without degradation. Zhejiang Xingma Copper Industry Co., Ltd. designs these wires to offer ultra-low electrical resistance, exceptional flex life, and superior thermal dissipation, ensuring your power systems run without unexpected downtime.
Our carbon brush wires and flexible copper connections are deployed globally across diverse and demanding industries. From heavy manufacturing plants to high-speed communication networks, we supply the reliability that modern infrastructure demands.
In heavy industrial setups such as steel mills, cement plants, and mining excavators, large DC motors and slip-ring AC motors operate under continuous mechanical load and dusty conditions. Carbon brush wires here must possess extreme durability. The high-density copper braiding prevents wire fraying and ensures constant contact pressure, minimizing sparks and mechanical wear on the commutators.
Wind turbine generators rely on slip rings and carbon brushes to transfer power and control signals from the rotating blades to the stationary nacelle. The carbon brush wires utilized in wind turbines must endure high vibrations, fluctuating temperatures, and marine environments. Tin-plated copper wires provide the necessary oxidation resistance and high conductivity required for clean energy systems.
In medium to high-voltage power distribution networks, flexible copper braided shunts and stranded wires are utilized inside circuit breakers, switchgears, and transformer connections. They absorb the thermal expansion of busbars and the mechanical shocks during switching operations, ensuring the structural integrity of the power grid.
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.
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.
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, allowing for precision fabrication and strict quality control.
Our Main Equipment Includes:
To achieve high flexibility, carbon brush wires are made by twisting hundreds or thousands of micro-fine copper filaments. The wire drawing process must be extremely precise to prevent micro-cracks that could lead to premature fatigue failure. At Xingma, our Dingtian wire drawing machines and Fuchuan beam machines ensure uniform wire diameter and tension across all strands.
Cold-drawn copper is naturally brittle. To restore its flexibility and maximize electrical conductivity, the stranded copper wire undergoes a controlled heat treatment process inside our advanced annealing furnaces. This process optimizes the grain structure of the copper, guaranteeing that the final carbon brush wire maintains its shape under high operational temperatures.
The global push towards clean energy and automation is reshaping the copper wire manufacturing landscape. Electric vehicle traction motors, industrial robotics, and smart grids demand carbon brush wires with higher thermal stability and lower electromagnetic interference (EMI). Our customizable, high-conductivity braided flat wires are specifically designed to meet these evolving challenges.
Choosing the right partner for your copper wire needs is vital to ensuring your systems run efficiently. Xingma combines years of technical experience, state-of-the-art machinery, and a commitment to quality. By managing the entire production process in-house—from wire drawing and annealing to braiding and stamping—we maintain strict control over mechanical tolerances and electrical performance.
Whether you require highly flexible stranded copper wire for electric motors or custom EMI-shielded braided flat wire for power distribution blocks, our engineering team is ready to design a solution that meets your exact technical specifications.