Chongqing Changjiang Bearing Co., Ltd, with "CJB" trademark, is jointly initiated by Chongqing Machinery & Electronics Holding (Group) Co., Ltd and KML Bearing and Equipment Ltd. CJB Company, founded in 1990, was restricted as a shareholding company with a registered capital of RMB 128 million on November 8, 2006. With a total asset of RMB 1.2 billion, it covers an area of 17.5 hectares and with around 1400 employees, of which around 260 employees are engineers and technicians.

CJB mainly manufactures high-quality low-noise Deep Groove Ball Bearings, Angular Contact Ball Bearings, Wheel Hub Unit, Tapered Roller Bearings and other variant bearing types. All CJB products can meet P5 class quality, 80% CJB products meet P4 Class. As a leading bearing manufacture in Chinese market, CJB is reputed as "Chinese best ball bearing maker". With insisting to implement operational philosophy of "Replacing imports and supplying parts to OEM", CJB products are widely used in automobile, motorcycle, machine tool, construction machinery, electric motor and general machineries. Now, CJB is serving for World first class enterprises and can produce 100 million sets of bearings.

By adhering to the goal of "Keeping abreast with World Top Brands", CJB products have obtained ISO/TS16949:2009, OHSAS18001, ISO14001 and accreditation of "National Recognized Laboratory", which ensured CJB strong ability for independent analysis & research on various performance indicators of bearings.

CJB Products have obtained "Over-Benchmark Quality" certification from China Bearing Industry Association, and bearings of 63/28, 6304, 2DACF028 have been assessed as "Bearing of Outstanding Quality" by the Technical Committee of China Bearing Industry Association and National Bearing Quality Supervision & Testing Center. Meanwhile, CJB Motorcycle crankshaft bearing and Automotive Transmission Bearing and Automotive Wheel Hub Bearing have been assessed as "Famous Product" by Chongqing Municipal Government, and "CJB" have been recognized as "Famous Chinese Trademark" by State Administration for Industry and Commerce.

Driven by the goal to keep abreast with the world's top brands, CJB is committed to the R&D and manufacturing of high-end and medium-end bearings and parts and working hard to become the world's top-class bearing manufacture.