Union piston ring company located in Guangzhou, is the most professional piston ring manufacturer in China land. Our main product??steel piston ring is the most mature and professional product. We produce varies kinds of engine parts, piston ring series involved heavy ,middle , light vehicle and Engineer machine; car, micro-car, motorcycle; gas-engine; Shipping, generator group; compressor; agricultural diesel engine and agricultural transport; the automobile products suit for all European, American and Japanese car series.
We also possess the productivity of surface treatment, including nitrided, phosphated, chrome plated, tin plated and molybdenum coated.