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.