Established in 1996, Shanghai Keqing Machinery Device Co., Ltd. has been engaged in Mechanical Engineering: Ball Bearing, Roller Bearing and auto bearings for 17 years. With fifteen years of hard working, we have become one of the largest precision bearing suppliers in Shanghai. Our main products: Deep groove ball bearing,tapered roller bearing,spherical roller bearing, angular contact ball bearing, housing bearing that are mainly applied in the industries of mining, metallurgy, railway, paper making, food processing, petrochemical, electricity, machine tool, textile, aviation and space...