SDA as - as a professional auto bearing manufacturing enterprise, over the years dedicated to the research in the field of automotive bearings and promotion, the development of products have been involved in the clutch release bearing, the belt when tight round bearings, wheel hub bearing, wheel hub unit, tapered bearings, ball cage three pin universal joint and so on six big series more than thousands of varieties.The company covers an area of more than 5000 square meters, has advanced production equipment and a complete set of precision testing instrument, and is equipped with technical center, in the past 10 years, SDA constantly received the affirmation of society, has been identified as high-tech enterprises, ST16949 certification, with rich experience, advanced technology, strict management, SDA will bring customers more high-quality products and services, to become the world first-class auto bearing manufacturing enterprise.SDA professional quality, create a model!SDA time will prove her character.