
Fully engaged in the R&D and production of ball & roller bearings, JAMA has become widely recognized. As one of JAMA's multiple product series, oil seal series enjoy a relatively high recognition in the market. JAMAbearing manufacturing company is well-controlled in every detail of the production. The product has a smooth surface. In the polishing stage, the sand holes, air blisters, pocking mark, burrs, or black spots are all eliminated.

We are actively advancing activities that contribute to sustainability to meet society's expectations based on an accurate perception of the impact of our operations on society and our social responsibilities.

