
Integrating R&D, production and sale of oil seal, JAMA is popular with clients. The ball & roller bearings series is one of the main products of JAMA. The production of JAMAoil seal ring follows the normative conditions. The product is capable of saving tons of paper because it is reusable for thousands of times, which helps protect the environment.

we aims to build a safe and economic environment of chain sprocket industry. Get more info!