Xiamen JAMA Bearing Co., Ltd is a professional manufacturer of chain sprocket. JAMA's bearing units series are created based on unremitting efforts. Strict quality policies and standards are carried out to ensure zero defect rates. People are not likely to find any raw edge, crooked stitching, needle damage, or twisting stitching on this product. Instead, it is made of high quality to last for decades.
By cause of the high quality ball & roller bearings, JAMAaims to be a innovative brand in this field. Call!