Chang Zhou Jiang Nan Piston Ring co Ltd is a special factory where we produce all kinds or piston rings. With 25 years special experience of producing piston rings, reasonable administratian, advanced craftwork, complete producing equipment, we control the factory by general quality management. The producing processes are professional, in series. Our productions are covered twenties domestic provisions and cities. The good productions and service are welcome by the clients.

Our piston ring is one of essential components of piston to-and-fro structure used in series of productions settled nationally such as compressor, rejection machine, pile driver, sugar-made machine, diesel engine in ship. Also, we make nonstandard piston rings used in all kinds of equipments input or home-make. Range of diameter of piston ring is from φ 20 to φ 1000. If there have any special requirement, it can be resolved by consulted.

Advanced alloy cast cast iron ard used in our products. Our products are in electrcal arc atove. Craftwork of heat treatment and surface treatment is good. The capabilities of the products are steady and dependable.