Company Profile

DEMY (D&M) BEARINGS CO., LTD is one of leading ball & roller bearing manufacturers & exporters in China. It is specialized in research and development for various kinds of high precision, non-noise, long-life bearings. Also extend business to motorcycle parts and hardware(Former Holder set, Roller Conveyor Chain, Infra Red Burner).

Our factory - Ningbo Giant Bearing Manufacturing Co., Ltd. has got ISO/TS16949:2009 quality manufacturing system certificate and acquire with 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. And has strong stable relations with many worldwide users, the products 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 principle “Quality first, Credit first & Service first” to welcome customers both at home & abroad.


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