
Since our establishment, JAMA has grown into a competitive cast iron pulley manufacturer through technical expertise. The bearing wholesalers series is available in a wide range of types and specifications. The quality of JAMAball and roller bearing is strictly scrutinized to meet the standards required by the China machinery industry federation in regard to the mechanical seals. This product can carry different weights of the human body, and it can naturally adapt to any sleeping posture with the best support.

We strive to minimize the environmental impact of our work by meeting the strictest environmental requirements. For example, we will use the cutting-edge wastes treatment machines to handle all the production wastes before discharge.