... system.3.15 Engine,hydraulic pump, hydraulic motor, hydraulic valve, reductor,chassis part,electronic control device,and other key parts ... (the machine’s all hydraulic pump,hydraulic motor,hydraulic valve). 3,Chassis parts—from ITALY BERCO S.P.A ... -jib, hammer-head, flat-top, multi-speed, stepless-speed), Construction Elevators(multi-speed, stepless-speed), Concrete Mixers (rotary-drum-type, double ...