NingBo KaiCheng Bearings Manufacturing Co., Ltd. founded in 1988, It's specialized in manufacturing deep groove ball bearings, tapered roller bearings, automobile bearings, etc. The high speed and low noise bearings is our mainly produces of EMQ bearings. We are own our brand of "CIE", It is of advanced productive technique, consummate device and complete testing means. It manufactures according to ISO9002 international standard.With advanced equipments and testing instruments,...