In the era of "Electrification of Everything," CuSn6p (Phosphor Bronze) and ERCuSn-A welding wires have become critical components. As global industries shift toward renewable energy, the demand for corrosion-resistant, high-strength copper alloys has surged by 45% in the last decade.
ERCuSn-A is the industry standard for joining tin bronzes and copper-zinc alloys. Its exceptional resistance to saltwater corrosion makes it indispensable for maritime hardware, desalination plants, and undersea telecommunications infrastructure.
The EV revolution requires superior conductivity combined with mechanical durability. CuSn6p copper wire is widely utilized in connector pins, spring elements, and high-frequency sensors where reliability under thermal stress is non-negotiable.
At Shandong Tezhong Materials Co., Ltd., we understand that "Top Quality" is defined by microscopic precision. Our Cusn6p / ERCuSn-A copper wire is engineered with a strict 6% tin composition, balanced with phosphorus deoxidizers to ensure:
Our R&D team, ranked 2nd among 575 national enterprise technology centers, continuously optimizes the grain structure of our alloys to meet the evolving standards of the aerospace and nuclear power industries.
Industrial Welding: Joining copper-based alloys and repair-welding of cast iron parts.
Electronics: Manufacturing of high-reliability switches, relays, and lead frames.
Defense: Heavy-duty bushings and wear-resistant liners for military-grade machinery.
We provide localized solutions tailored to specific regional standards, whether it's ASTM B139 for the American market or EN 12163 for Europe. Our logistics hubs in Tianjin, Wuxi, and Liaocheng ensure rapid deployment to major international ports.
Global buyers face challenges in quality inconsistency. As an ISO9001 certified manufacturer since our early days, we implement comprehensive technical monitoring for every batch, eliminating the risks associated with third-party sourcing.
Our production lines now integrate AI-driven quality inspection. This allows for real-time detection of surface defects in copper wire production, ensuring that our Cusn6p wire maintains a mirror-like finish required for precision electronics.
Shandong Tezhong Materials Co., Ltd. is a supply chain industry company integrating carbon steel, coated steel, stainless steel and other metal products. The company's registered capital is 100 million yuan. The company covers an area of approximately 15,000 square meters and has total assets of 1.2 billion yuan.
We currently have more than 900 employees, including more than 100 senior managers and professional technical personnel. They have a solid theoretical foundation and rich practical experience, with complete production processes such as coking, sintering, and steelmaking. We have achieved the completeness and systematization of modern metal industry production technology.
Why Choose Us? Our company has been engaged in the metal and steel industry since 1997. We have 4 large outlets (Tianjin, Wuxi, Binzhou, Liaocheng) with inventory all year round, serving aerospace, marine engineering, medical equipment, and nuclear power fields.






Rich experience and deep expertise in the steel and alloy industry to provide strategic guidance for technological development.
Metallurgical, mechanical, and electrical engineers responsible for production stability and process optimization.
Focused on the development of new alloy products and improvement of existing wire quality to meet market changes.
Strictly controlling product quality from raw material inspection to finished product delivery through 24/7 monitoring.