Precision Welding Parts 1.Certain mechanical strength 2.Smooth mellow 3. ... Factory facilities: CNC horizntal boring and milling machine,,Surface Grinder,wire cutting,Milling Machine,CNC Lathe.3).CNC machining Parts, ... faet delivery time ,good service.6).Material stainless steel ,cold work steel ,Spring steel , martensitic steel,aluminum ,brass, bronze,copper, according to customer request7 ...