Tianma (Chengdu) Railway Bearing Co., Ltd. was founded by Zhejiang Tianma Bearing Co., Ltd. which reorganized the original national large and middle enterprise --- Chengdu Bearing Group Company. The company has been researching and producing bearings for more than 50 years. Zhejiang Tianma Bearing Co., LTD is the most integrated company of Material, Bearing and Equipment in China's bearing industry, and also the first equipment manufacturing enterprise with industrial chain conformity in domestic bearing field, at the same time, the company has established four production bases, i.e. Hangzhou, Beijing, Chengdu, Guizhou and Qiqihaer equipment bases.
The company has got the approval of ISO9001:2000 Quality Management System, ISO14001:2004 Environment Management System and Certificate For The System Of Inspection Measurement And Test .TMB has been granted as China's Top Brand, National Inspection-free Product, China's Well-known Brand and Brand with the Most Competitive Power.