TIANMA BEARINGS in US Zhejiang Rolling Bearing Co., Ltd ., a medium-sized enterprise of China , is located in Hangzhou , China. It owns total assets over 30 million US dollars and has 1300 staff, and over 500 sets of various high precision equipment including the cold rolling machine imported from BAD DUBEN Co,Germany , and automatic Grinding assembling lines. We produce more than 1000 types and 9 million pieces of bearings, sales was 30 $million in 2000, mainly range from inner diameters from 20mm to 140mm, including deep groove ball bearing, cylindrical roller bearing, angular contact ball bearing, auto hub bearing ,spherical plain bearing and non-standard bearing .Our product are applying for automobile, electric motor, steamship, agriculture machine, and construction machine, oil filed, mine, lathe machine and transportation machine etc. We supply for OEM and reparing usage. With ISO9002 Quality certificate as well as ISO14001 environment certificate, we maintain and improve quality continuously, ratified by National Quality Supervision and Inspection Center.The vibration value and rating life of our bearings are beyond the national standard, precision reserves rate 100% and the reliability over 98% . TIANMA bearing are getting more popular not only in domestic but also abroad. In order to develop the international market , we opened our sales office in Chicago in Jan 2001. Our aim is convenient to communicate with our customer , and to supply more and more quality assure products and service as well as valuable cost. We welcome your kind inquiry and visiting our office soon. Your prompt reply will be highly appreciated.