Engineered lead bronze and high-performance copper alloy solutions matching critical industrial tolerances and severe friction environments.
As the industrial powerhouse of Central and Eastern Europe, Poland has witnessed a rapid expansion in sectors such as automotive manufacturing, heavy machinery engineering, copper mining (exemplified by the massive deposits in Lower Silesia), and marine engineering near the Baltic coast. This industrial structure generates a high demand for premium-grade, wear-resistant, and high-conductivity copper-based alloys. Among these, Lead Bronze occupies a critical niche due to its self-lubricating properties, emergency running attributes, and resilience under severe friction.
In modern European manufacturing, selecting the right metallurgical partner requires analyzing more than just unit costs. High-end procurement managers look for deep technical compatibility, compliance with stringent environmental directives, and a robust supply chain that bridges Chinese manufacturing prowess with local European logistical demands. Sichuan Kepai New Material Co., Ltd., leveraging its cutting-edge R&D center and massive smelting facilities, provides the Polish market with an unmatched alternative to high-priced European domestic foundries.
The lead phase in the copper matrix does not form a solid solution; instead, it aggregates as soft, microscopic globules. Under friction, these lead droplets smear over the surface, creating an instantaneous lubrication film that prevents seizure.
Our portfolio extends beyond standard castings, featuring specialized tellurium copper and high-strength beryllium copper alloys.
In mechanical design, selecting the specific grade of lead bronze directly dictates the lifespan of heavy bearings, gear components, and sliding elements. For Poland’s marine and mining operations, alloys like CuPb10Sn10 (EN 1982 CC495K) or C93700 (High-Leaded Tin Bronze) are highly sought after. These alloys balance hard tin-bronze matrices (which carry the mechanical load) with soft lead pockets (which allow embeddability of abrasive debris).
Sichuan Kepai implements strict electromagnetic continuous casting and cold drawing processes, preventing lead segregation—a common flaw in lower-grade foundries where lead settles to the bottom due to gravity. By controlling cooling rates at millisecond precision, we ensure a highly homogeneous microstructure across all delivered rods, tubes, and custom profiles.
A primary challenge for European procurement officers importing leaded materials is navigating environmental directives. While lead is restricted under RoHS and REACH, specific exemptions exist for industrial bearings and wear components where no viable technical alternative is available.
At Sichuan Kepai, we provide comprehensive documentation, including detailed chemical composition reports, RoHS exemption declarations (e.g., Exemption 6c under Annex III), and full material traceability certificates. This ensures hassle-free customs clearance at Polish entry points, such as the Port of Gdańsk, and eliminates the risk of compliance audits for end-user manufacturers.
Our engineering team helps clients determine the optimal lead percentage to comply with the European Union's chemical restriction frameworks while maintaining the required material performance.
Integrating advanced R&D, heavy smelting infrastructure, and rigorous German-standard quality verification in a state-of-the-art facility.
Established in 2017, Sichuan Kepai New Materials Co., Ltd. is a high-tech enterprise integrating research and development, production, and sales. Currently, the factory covers an area of approximately 9,000 square meters, with a corporate office space of about 1,000 square meters.
The company primarily engages in the production of strategic emerging new materials, including special copper alloys such as tellurium copper, high-conductivity oxygen-free copper, silver copper, and dispersion copper, while also focusing on the research and development of high-conductivity, easy-to-machine, high-strength copper alloys. The products are mainly applied in high-tech fields such as new energy vehicles, 5G technology, laser cutting, and lithium battery relays.
Adhering to the business philosophy of "innovation-driven development, quality wins the market," Kepai committed to providing global clients with premium copper alloy materials, promoting industrial upgrading and sustainable development.
Our R&D team is comprised of senior metallurgical experts. Through collaborations with leading universities, we have developed high-performance tellurium copper, lead copper, and sulfur copper alloys matching international standards.
Our extensive portfolio covers pure copper, oxygen-free copper, oxygen-free high-conductivity tellurium copper, nickel tellurium copper, tin bronze, beryllium copper, lead bronze, sulfur copper, and chromium zirconium copper.
"Rooted in Sichuan, radiating nationwide, and moving towards the world." We actively participate in global competitions, establishing reliable partnerships with major European distributors and industrial end-users.
We promote a culture of "integrity, innovation, collaboration, and win-win." By encouraging continuous research, we focus on delivering long-term value for our clients and the broader community.
Operating a vertically integrated facility ensures strict microstructural control from raw cathode smelting to finished custom copper extrusions.
Sichuan Kepai operates under rigorous international quality frameworks, maintaining traceabilities and system audits.




Browse our full selection of industrial-grade copper alloys, beryllium components, and free-cutting materials with complete chemical analysis verification.
Answering key logistical and metallurgical questions for engineering and procurement professionals in the Polish market.
Optimize your manufacturing costs and material performance. Contact our engineering team for detailed technical consultations, material samples, and direct DDP/CIF price calculations for Polish ports and rail hubs.
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