TPR CO., LTD. , established in 1939, is one of the leading manufactures of engine components to supply automobiles manufactures, construction machinery manufactures, and aftermarket.  For automobile segment, TPR manufactures and sells components such as piston rings, cylinder liners, valve seats, metal gaskets and sintered products.  With a focus on advanced engineering, TPR products have earned outstanding reputation for high quality and reliability by customers across the world.

Valve seats

For materials used in production of sintered alloy valve seats, TPR breaks down particles using our proprietary special alloy powder. Featuring an excellent balance of heat resistance, wear-resistance, and compatibility with valves indispensable for valve seats, TPR provides sintered alloy products that are compatible with all engines, including diesel, gasoline, and gas for either two or four wheel vehicles.