SWC, founded in 1986 and headquartered in Shanghai, has two subsidiaries, namely, SWC (Shanghai) Precision Bearings Co., Ltd. and Jiangsu Baiyu Bearings Co., Ltd., covering floor area of 60,000㎡ and structure area of 35,000㎡. SWC boasts domestically-advanced full automatic bearing production lines, with annual capacity of 60 million sets, and a closed production loop ranging from delivery of raw materials into factories to realization of finished products in order to control product quality. With ISO 9001 international quality system certificate obtained in 1998, SWC has always valued product quality for years by actively adopting cutting-edge process and scientific management at home and abroad to ensure product quality. SWC bearings have been exported to more than 10 countries and regions globally, wining high praise widely.