... CAT3306B,CUMMINS,DEUTZ,YUCHAI,XINCHAI......), HYDRAULIC SYSTEM(MAIN PUMP, PILOT PUMP AND VALVE, WORKING PUMP, CONTROL VALVE),STEERING SYSTEM (STEERING UNIT, STEERING ... PUMP.), AXLE(SDLG AXLE, MERITORY AXLE, ZF AXLE), ... TRANSFER PARTS:(DRIVING SHAFT, UNIVERSAL JOINT...)BRAKE SYSTEM(BRAKE PUMP, BOOSTER, AIR-RECEIVER, COMPRESSOR...)OUR TARGET IS TO ...