... services 3 various materials and surface treatments Item Noprecision cnc machined gearsMaterialsiron,aluminum,steel,copper,plastic,carbon steel,nylon,bronze, ... ,spraying, painting and so onProcessing EquipmentsCNC machining center,CNC lathe,grinding machine,automatic lathe machine,conventioal lathe machine ... at once we receive your valued detail specification. precision cnc machined gears