... various materials and surface treatments Item Nocnc machined grinding gearsMaterialsiron,aluminum,steel,copper,plastic,carbon steel,nylon ... and so onProcessing EquipmentsCNC machining center,CNC lathe,grinding machine,automatic lathe machine,conventioal lathe machine,milling ... and so onBusiness ScopeCNC center machining,drilling,turning,grinding,tapping,mould design and processing,casting,sheet mental ...