With the ISO9000 certificate and the qualification certificate of national import & export enterprise, our company organizes production strictly in accordance with ISO and national standards to solve the existing problems of various products in few amount in market. Our products cover 8 classes,more than 250 series, 100 structures and 5 tolerance grades, and are well received by the public due to superior quality and complete after-sales service. Our ZQZ bearings are available not only in China, but also in North America, Western Europe, Middle East, West Asia, etc.