Features: Gear case,Worm&Worm Shaft, 1) Ductile Iron ... Bronze Worm 3) 8620/20CrNiMo shaft Features:Gearbox, Gear case, Gear, Worm, Worm Shaft, Casting, Sand-Casting1) ... Condition Plate Shear SUTONG, QC12Y 1 2.0 Acceptable Semi-Automatic Scissor Style Band Saw GB4235, 4028(GB40) 2 ... .Stretching 4.Welding 5.CNC Lathe Machining 6.Automatic Machining 7.Assembling 8.Packing Certification: Certified Picture ...