Ningbo Demy (D&M) Bearings Co., Ltd. is a leading manufacturer of ball & roller bearings and exporter of belts, chains and auto parts in China. We specialize in research and development of various kinds of high precision, non-noise, long-life bearings, high quality chains, belts, auto parts and other machinery & transmission products.

We have been supplying our products for more than 60 varies of industries,including railway,automobile, metallurgical ,petro-chemical,military and other industries.

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

Certificate of ISO/TS16949:2009