
JAMA is at the leading position in the fields of ball & roller bearings R&D in the China. The chain sprocket series has many styles to meet the diversified needs of customers. oil seal ring is core competitiveness of oil seal in its design. bearing units is characterized by high performance and extreme durability.

We are committed to sustainable development. In addition to the good feelings we gain, our sales have actually increased through our good works. This unexpected benefit comes because people were impressed with our job and wanted to work with a company with such responsibility.

