Be built up in 1963, Yantai Bearing Instrument Co. Ltd (Yantai Bearing Instrument Factory) is the key factory assigned by Electro-mechanical Industry Ministry, and is the first one that manufacturing bearing instrument in china. It is a second grade measuring unit. This company is reorganized on Feb,2001, and the fixed assets of the company is 32,99 Million Yuan RMB. It passed the ISO9002 Certification of the quality system on June, 2000. It maintained designation of a high and new technical company and a new modern company on April,2002.