Zhangzhou World Bearing Corporation Limited, whose brand is SDT, was founded in May 2004. It is a specialized company engaged in the design and manufacture of spherical plain bearings. SDT can supply various bearings, mainly including spherical plain bearings, rod ends, ball joint, and hydraulic rod ends & auto parts. SDT has set up the quality system and environmental management system.All SDT products are designed and produced according to the international standards and passed the certification of ISO/TS16949 & ISO9001.The trademark of “ SDT “ was awarded the well-known trademark in Fujian province,China. SDT has the advanced measuring equipments and strict QC procedures to ensure high quality. Now there are more than 3000 varieties of spherical plain bearings in the company. SDT products are very popular home and aboard for their competitive price, good quality and excellent service. SDT product are widely used in the machinery of mining, metallurgical, engineering, electrical power equipment, traffic, space, medicine etc..