... are welcome. 3.distributorship offered 4.OEM servic internal threaded shaft Item Nointernal threaded shaft Materialsiron,aluminum, ... 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 ...