China Demy (D&M) Bearing Co., Ltd. is located in Hemudu Culture Ruins of Ningbo China which has 7000-year-old history. The company is one of leading ball & roller bearing manufacturers & belt, chain, auto-parts, auto bearing, tension bearing exporters in China. It is specialized in research and development for various kinds of high precision, non-noise, long-life bearings, high quality chains, belts, auto-parts and other machinery&transmission products. The company has strong stable relations with many worldwide users, the products, auto bearing, tension bearing, clutch release bearing, water pump bearing, automobile bearing, wheel hub bearing have been found a steady market in North & South America, South-east Asia, Europe, Middle east & some other countries & districts. Demy (D&M) Bearing will adhere a long term proinciple "Quality first, Credit first & Service first" to welcome customers both at home & abroad.