Profile: Zhejiang Mingxing Bearing Co., Ltd specializes in manufacturing high precision low noise & deep groove ball bearings. Our products include standard deep groove ball bearings, non standard deep groove ball bearings, pillow block bearings and bearing steel pipes. We are ISO 9001 certified. Our bearing rings are made from cold rolled steel tube and formed by cold rolling expansion technology. The rings and balls of our bearings are made of refined high carbon chrome bearing steel.