... no.: 1012020Material:ProcessingForging,hobbing,drillingMaterial:steel,stainless steel,iron, plastic,aluminum,bronze,brass etc.Equipments:cnc engine lathe, milling ... machine, drilling machine,hobbing machine, grinder, gear shaperSurface treatment:galvanization,chromeplate,blackening etcQuality control:PDCA quality ... to get a quick offer,Samples are free. plastic spur gear,spur wheel,