Engineered to withstand heavy dynamic loads and severe wear. Direct factory shipping options for West African operations.
Offers superior slide wear and boundary lubrication properties, ideal for machinery in dry, sandy soil environments.
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Designed specifically for sleeve bearings and bush inserts operating under high-speed, high-load conditions.
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Combines extreme mechanical strength with excellent electrical conductivity, ideal for power grid switchgear.
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The gold standard in machinability. Extremely accurate tolerances for precision fittings, valves, and water systems.
View Product SpecificationsDeveloping robust mechanical supply chains along the Gorgol and Senegal Rivers.
As the largest city and administrative center of the Gorgol Region in Mauritania, Kaédi is experiencing a critical shift toward mechanical and agricultural modernization. Historically centered around traditional trade, nomadic husbandry, and river-basin agriculture, the local economy now demands durable industrial assets. Modern irrigation pump systems drawing from the Senegal River, crop processing machinery, and regional infrastructure upgrades are replacing outdated, high-maintenance setups. These demanding environments require high-performing components capable of operating continuously in hot, dusty, and arid conditions.
Machinery components in Kaédi face two primary environmental challenges: fine desert sand dust causing abrasive wear, and river water humidity accelerating galvanic corrosion. Standard steel and low-grade brass components degrade rapidly, leading to frequent system failures, costly downtime, and expensive replacement operations. Implementing specialized metallurgy, specifically high-strength lead bronze and beryllium copper alloys, provides a highly wear-resistant, self-lubricating solution that keeps key municipal and agricultural operations running continuously.
Continuous pumping from the Senegal River requires wear-resistant impellers and bushings capable of enduring sand silt suspended in water flow.
Regional electrification calls for heavy-duty switchgears and connectors made from tellurium and beryllium copper alloys to withstand high desert temperatures without power loss.
Local transport fleets and construction vehicles require reliable journal bearings and thrust washers engineered to minimize friction and prevent heat build-up.
Why lead bronze serves as an essential material for high-temperature and sandy industrial applications.
From a metallurgical perspective, lead bronze (commonly containing copper, tin, and lead, such as the standard CuSn10Pb10 or related grades) is optimized to handle structural friction. Unlike homogeneous alloys, lead does not dissolve into the copper matrix. Instead, it remains distributed as fine, distinct microscopic particles throughout the cast copper-tin structure. When mechanical systems run low on oil or experience boundary lubrication conditions (often caused by sand contamination or extreme heat in the Mauritanian Sahel), the frictional heat causes lead to migrate to the contact surface. This forms a thin, microscopic film of metallic lead that acts as a dry lubricant, preventing catastrophic seizing or galling of the steel shaft.
In addition, the tin component within the bronze matrix provides structural hardness and corrosion resistance, while the copper base offers high thermal conductivity. This ensures that any heat generated at the bearing surface is quickly dissipated through the housing, keeping the operating temperatures within safe limits. This thermal performance is critical for maintaining machinery in Kaédi, where ambient summer temperatures regularly exceed 45°C.
A High-Tech Leader in Specialized Copper Alloys and Precision Production Systems.
Established in May 2017, Sichuan Kepai New Materials Co., Ltd. is a high-tech private company specializing in the R&D, production, and sales of high-conductivity and high-strength free-cutting tellurium copper and other special copper alloys. By utilizing advanced metallurgy and proprietary production technology, we supply global industries with materials designed for extreme reliability.
Our modern processing facilities feature state-of-the-art oxygen-free casting lines, high-precision extrusion presses, and automated cold-drawing lines. This advanced production capability allows us to manufacture alloys that consistently meet international standards, delivering reliable performance to operations in Kaédi and across the global market.
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Ensuring consistent alloy performance and supply chain reliability for Mauritanian and global procurement.
Global procurement directors require more than just material performance—they demand reliable, resilient supply chains. The production of advanced copper alloys like lead bronze and high-conductivity tellurium copper requires tight process control at every stage. Under our Factory 4.0 blueprint, every phase of production is monitored using integrated sensors and real-time data analytics. This starts with precision raw material selection, ensuring that trace elements and impurities are kept to minimal levels.
Through automated vacuum melting systems and continuous casting technologies, we maintain uniform chemical composition throughout the entire batch. This eliminates the risk of weak spots or inconsistent lead distribution that can cause early component failure. Automated ultrasonic and eddy-current non-destructive testing (NDT) verifies the internal integrity of our bronze rods, tubes, and customized profiles before they are packaged for export. This rigorous testing helps prevent costly mechanical failures for operations in remote regions like Kaédi, where finding and installing replacement parts is difficult and expensive.
In addition to securing a large share of the domestic copper alloy market, Kepai has exported to overseas clients with a high reputation. Our supply chains are structured to handle international logistics efficiently. By partnering with leading global freight operators, we manage the entire shipping process from our manufacturing centers directly to Nouakchott Port, with coordinated domestic transport inland to Kaédi.
This streamlined supply chain ensures that West African industrial buyers receive their critical materials on schedule, reducing the need to carry high levels of emergency inventory.
Our experienced R&D team and advanced production systems allow us to continually innovate high-performance copper alloys.
Our company has established its own independent R&D team, equipped with a complete production system and mature production technology. This allows us to have deep knowledge in the production and customization of copper alloys.
In addition to traditional copper alloys, we have developed a new type of highly conductive oxygen-free tellurium copper. Compared with traditional copper tellurium, this material has lower impurities and offers better electrical conductivity.
Our company has passed ISO9001:2015, ISO14001:2015, and OHSAS 45001:2018 certifications, reflecting our international standards in quality, environmental management, and occupational health.
We continue to innovate in the development and production of tellurium copper alloy materials, and participate in the formulation of relevant industry standards, which helps strengthen our market position.
Our company focuses on environmental protection and sustainable development, using environmentally friendly alloys and clean production processes to reduce our overall environmental impact.
Our technical engineering team can develop custom chemical formulations and mechanical dimensions based on your specific requirements.
Contact EngineerOur specialized copper alloys are utilized globally across key modern industries, and are increasingly adopted for municipal systems in Kaédi.
Copper exhibits natural antimicrobial properties, making it an excellent material choice for touch surfaces and specialized instruments in clinical and healthcare facilities.
High thermal and electrical conductivity make copper alloys a critical component for EV motors, high-current charging ports, and internal wiring harnesses.
High-reliability copper wire is ideal for aerospace systems, particularly in aircraft generators, signal cables, and high-frequency data transmission equipment.
Copper alloys offer excellent resistance to seawater corrosion and marine biofouling, making them suitable for marine piping systems and offshore structures.
Used to manufacture plasma cutting electrodes, nozzle tips, and electrode holders. High thermal conductivity helps extend the service life of wear components.
Provides critical high-conductivity connections within PV energy storage systems, helping minimize energy loss in heavy power distribution networks.
Our production facilities maintain comprehensive international quality certifications, ensuring consistent material performance.














A comprehensive selection of high-conductivity, free-machining, and high-strength alloys for precision industrial applications.
Offers an optimal combination of cold forming capabilities, reliable mechanical strength, and cost-efficiency.
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A precipitation-hardened CuNiSiCr alloy featuring high mechanical strength, good conductivity, and softening resistance.
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Combines high electrical and thermal conductivity with excellent free-cutting properties, ideal for heavy electrical terminals.
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A lead-alloyed beryllium copper designed to provide high mechanical strength alongside enhanced free-cutting characteristics.
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Provides excellent structural strength and wear resistance at high temperatures, widely used in resistance welding electrodes.
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Extremely low oxygen levels prevent hydrogen embrittlement. Ideal for high-vacuum and electronic applications.
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A sulfur-bearing, free-cutting copper alloy offering high electrical conductivity alongside excellent machinability.
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Highly pure tellurium copper formulated for optimal heat dissipation and electrical contact efficiency.
View SpecificationsFurther technical alloy variations designed for highly specific engineering environments.
Get professional insights regarding metallurgical specifications, delivery to Kaédi, and customization options.