... : differential gear material:20CrMnTi ProductsAll kinds of gears (spur gear, bevel gear, sprial gear, ring gear, internal gear, sprocket, chain wheel) transmission, gear box ... oxidation, zincing.EquipmentSprial bevel gear milling machine, hobbing machine, grinding machine, gear shaving machine, CNC lathes, ... precision on teeth of gear.Minimum quantityAccept trial order steel pinion differential gear