Explore our catalog of certified materials designed to exceed industry-standard thermal, mechanical, and electrical requirements.
Sichuan Kepai New Material Co., Ltd., established in 2017, stands at the forefront of metallurgical innovation as a premier high-tech enterprise. Our modern production plant integrates comprehensive raw-material processing, advanced research and development, and custom precision manufacturing under one roof.
Covering a state-of-the-art facility of 9,000 square meters alongside an elegant 1,000 square meter office complex, our infrastructure is optimized to support the high demand for custom copper alloys, copper belts, and extruded components. Aligning our core priorities with the strategic emerging new materials directives under the national framework, we specialize in high-conductivity oxygen-free copper, tellurium copper, silver copper, and dispersion copper.
Our solutions cater directly to premium global supply chains across critical sectors, including Electric Vehicles (EVs), 5G networks, plasma cutting technologies, high-capacity relays, and microelectronics.
We are situated in the western sector of the Sichuan Guanghan Industrial Development Zone, adjacent to National Highway 108. This excellent geographical positioning enables streamlined transit to primary coastal shipping hubs, ensuring that bulk shipments of copper belts and specialized alloys reach global destinations with minimal lead times.
A B2B technical guide detailing material configurations, performance indexes, and alloy chemical properties.
In high-stress industrial applications, pure copper is often insufficient. Mechanical strength, machinability, and temperature resistance are critical. Our specialized R&D team configures trace alloy elements to meet custom operating standards. Below is a comparative overview of the alloy systems we produce:
| Alloy Grade | UNS / EN Number | Key Chemical Composition | Electrical Conductivity | Tensile Strength (MPa) | Core Industrial Applications |
|---|---|---|---|---|---|
| Tellurium Copper | C14500 / CW118C | Cu ≥ 99.4%, Te 0.4% - 0.7%, P 0.004% - 0.012% | ≥ 93% IACS | 250 - 360 | Plasma cutting nozzles, EV power connectors, RF connectors |
| Oxygen-Free Copper (OFT) | C10100 / C10200 | Cu ≥ 99.99%, Oxygen content ≤ 10 ppm | ≥ 101% IACS | 220 - 300 | Vacuum electronic components, audio components, high-current busbars |
| Beryllium Cobalt Copper | C17500 / C17510 | Be 0.2% - 0.6%, Co 2.4% - 2.7%, Cu Bal. | 45 - 60% IACS | 680 - 960 | Resistance welding tips, high-voltage switchgear components |
| Free-Cutting Brass | C36000 / CW614N | Cu 60.0% - 63.0%, Pb 2.5% - 3.7%, Zn Bal. | 26% IACS | 340 - 550 | High-speed screw machine parts, gears, valves, plumbing components |
| Sulfur Copper | C14700 / CW114C | Cu ≥ 99.4%, S 0.2% - 0.5%, P 0.003% | ≥ 90% IACS | 240 - 340 | Electrical terminals, free-machining electronic fasteners |
At Sichuan Kepai, our development roadmap is aligned with the green energy transition. We are prioritizing low-carbon smelting processes, expanding recycling initiatives, and developing lead-free alternative alloys. Our ongoing R&D focuses on ultra-high-conductivity silver-copper (Cu-Ag) alloys and dispersion-strengthened copper (DSC). These materials are designed to meet the extreme thermal requirements of next-generation semiconductors and aerospace engineering.
Our operational framework is built on technical innovation, broad alloy offerings, global supply chains, and a customer-centric company culture.
Technological innovation is the core competitiveness of Sichuan Kepai New Materials Co., Ltd. The company has a research and development and production team composed of senior industry experts who keep pace with international cutting-edge technology trends and continuously explore the unknown boundaries in the field of new copper alloy materials. Through a combination of independent research and development and industry-university-research collaboration, Kepai has made breakthrough progress in several areas, including high-performance tellurium copper, lead copper, and sulfur copper. Many of its technological achievements have reached international advanced levels and have been successfully applied in various industries such as new energy vehicles, precision machining parts, plasma cutting, relays, and energy storage, earning widespread recognition and praise in the market.
Kepai's product line is rich and diverse, covering a comprehensive range of solutions from basic materials to high-end customization. We focus on providing customers with high-performance, high-quality high-end copper alloy products, including but not limited to 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. These products play an important role in reducing production costs and enhancing product performance due to their excellent physical and chemical properties and environmental friendliness, creating significant economic and social benefits for customers.
In the face of global market competition, Sichuan Kepai New Materials adheres to the development strategy of "rooted in Sichuan, radiating nationwide, and moving towards the world." By continuously optimizing market layout and improving the sales network, we have established a stable customer base in multiple provinces and cities across the country and have formed long-term cooperative relationships with several internationally renowned enterprises. At the same time, the company actively expands into overseas markets, participates in international competition and cooperation, and strives to promote Kepai's brand influence on the global stage.
We understand that the long-term development of an enterprise is inseparable from an excellent corporate culture. We advocate the corporate spirit of "integrity, innovation, collaboration, and win-win," encouraging employees to explore boldly and innovate courageously, while also emphasizing teamwork and talent cultivation, striving to create a harmonious, open, and inclusive work atmosphere. We believe that only by continuously pursuing excellence and creating value can we win the trust of customers and the respect of society.
From melting and extrusion to micro-hardness testing, our modern facility is equipped for precision and quality assurance.
Our high-performance copper products are engineered to support key emerging technologies and global B2B procurement standards.
The EV sector demands high electrical conductivity and thermal stability. Our copper alloys are used in high-voltage charging plugs, DC-DC converter relays, battery terminal busbars, and cell connections. They help limit heat generation during rapid charging cycles.
High-frequency data transmission requires precise components. Our C14500 tellurium copper alloys are designed for RF coaxial connectors and wave-guide parts, providing high signal integrity and low attenuation under continuous operating temperatures.
For laser cutting nozzles and plasma arc cutting shields, our copper alloys are configured for thermal shock resistance and ease of machining, helping to extend consumable life and reduce industrial downtime.
As a global OEM copper belt company, we focus on material traceability, batch consistency, and international standards compliance. We implement quality management steps across our entire supply chain to ensure reliable delivery to our partners:
Our production facilities maintain strict quality controls, backed by industry certifications for export compliance and performance standards.
Technical answers to common inquiries from procurement managers and metallurgical engineers.
Explore our second selection of copper alloys, developed for high-current applications and demanding wear resistance.
Our engineering and sales teams can assist you with custom alloy formulations, mechanical drawings, and volume pricing requests. Contact us to learn more about our manufacturing capabilities.
Kepai