Doocar Auto Engineering (Shanghai) Co., LTD was founded in Jun 2004, which was set up by one professional team with over 20 years experiences at the field of Automotive collision repair equipment industry. With its business expansion, the second manufacturing site Doocar Liner (Shandong) Industrial Technology Co., LTD was establishend in Apr 2007. Our Truck-O-Liner brand heavy vehicle straightening system consists of cab bench, cab tower, frame press, I press, anchoring system. It is most effective equipment for straightening and repairing damaged truck cabs, frame, chassis.The straightening system enjoys good fame at 4S workshops of Daimler Benz trucks, Volvo trucks, Scania trucks, and Foton Daimler Auman trucks.