
JAMA is a famous oil seal ring manufacturer in China. We have many years of exclusive experience in this industry. The oil seal series is available in a wide range of types and specifications. JAMAball & roller bearings is strictly scrutinized. It has gone through the on-line monitoring for its technological parameter, such as its dyeing saturability, weaving fineness, fabric strength, etc. Providing the ideal ergonomic qualities to provide comfort, this product is an excellent choice, especially for those with chronic back pain.

We try to practice sustainable development. We are focused on reducing the ecological footprint of our products and packaging by carefully selecting the most appropriate raw materials.