Zhongling is specialized in manufacturing various kinds of engine parts and gear-box parts. After more than 10 years developing, we have established a sales network both in domestic and oversea. In order to achieve integration of mechanism and production, we have established completely and effectively quality control system, successfully brought in various types of high-end processing equipment and testing equipment like machining center and three dimensional measuring machines. What’s more, through unremitting efforts, we have passed the ISO/TS 16949 and became an OE supplier.