Features: Gearbox, Gear case, Gear, Worm, Worm Shaft, Casting, Sand-Casting 1) Ductile iron and gray iron sand casting Features:Gearbox, Gear case, Gear, Worm, Worm Shaft, Casting, Sand-Casting1) Ductile iron and gray iron sand casting gearbox2) Reducer type3) Torque and transmission are differentiated by digression4) Power saving5) Adopts comprehensive modular design from boxes to gears6) High ...