Nantong ShuangFeng Mechanical & Electrical Co.ltd was founded in 1998,is one of largest chinese bearing manufacturers. Nantong shuangfeng is the dominant product of major technologies and equipment supporting bearings, bearings, auto bearing rail transportation vehicles, military equipment bearing, leading products in the domestic market share in more than 5%. In the design, manufacture and testing ,we have a certain competitive ability in international market.The enterprise has a state-level technology center and the National Laboratory, laboratory test report and the international 20 countries,5 organizations are recognized testing results,4000 kinds of bearing products with independent intellectual property rights, and with everyday born 2the rate of new products in domestic supporting area. The company has passed ISO9000, ISO14001, QS9000and ISO / TS16949and other international management system certification.