Our gearbox, outer body is casted and gears are precisely machined to meet your request. We have full ... , agriculture gearbox, speed reducer, gear box, gear reducer, worm reducer, reduction gears, gearmotor, planetary gear, machining, speed variator, worm gear speed reducer ... our outer case is casted. The gears are precisely processed at processing center; The gears are made of high-quality alloy steel ...