... the CNC machining parts for the customers4.The CNC machining part could be made by aluminum, stainless steel, brass ,plastic or ... competitive price and high quality for the CNC machining partCharacters of the CNC machining1.Materials:in both ferrous and non-ferrous ... steel,aluminum alloy,brass and bronze alloy)2.All kinds of surface treatments are available: polishing, zinc plating ,nickel plating, ...