QISHENG since 1993, an experienced manufacturer and exporter focus on the development and production of high quality Wheel Bolt, U-Bolt, Center Bolt, Rubber Bush, Torque Rod Arm, Spring Pin bush, spring bracket and Gear . QISHENG, with occupation of 100 Acre, having 5 workshops which equipes with 30pcs of numerically controlled lathe,35pcs grinding machine and 10pcs of milling machine ,12sets of punching machine , 4 heat treatment line, 2 phosphate surface treatment line and etc . The ...   |