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