NINGBO Demy (D&M) Bearing Co., Ltd. is one of leading ball & roller bearing manufacturers & belt, chain, auto-parts 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 100 sets of automatic grinding production lines, automatic assembly lines with the annual production capacity of 100 millions sets. Perfect measuring and testing measures & instruments has been adopted by the company to ensure excellent quality. The company has been assessed & registered ISO9001: 2000 quality certificate. It is developing toward series of products with high grade, high precision and advanced technologies to create a global OEM and after-sale service system. 

We have supplied our products for more than 60 varies of industries, including railway, automobile, metallurgical, heavy, petro-chemical, military and other industries. Products have been found a steady market in North & South America, South-East Asia, Europe & some other countries & districts.

DEMY (D & M)Bearings will adhere a long term principle "Quality first, Credit first & Service first" to welcome customers both at home & abroad.