Name: transmission Material: 20CrMnTi/20#,45Cr ProductsAll kinds of gears (spur gear, ... gear, sprial gear, ring gear, internal gear, sprocket, chain wheel) transmission, gear box, reducer ,shaft and sleeve etc.ApplicationSuitable for various ... spur gear, bevel gear,sprial bevel gear,internal gear,sprocket,transmission,reducer,shaft and sleeve etc. automatic transmission gearbox