precision metal parts: 1.Copper ,brass,steel, stainless steel,Aluminum 2.Turning&boring parts Precision Non-standard Metal Machinery Parts1.Material: Copper ,brass,steel, stainless steel ... ,stainless steel,aluminum & aluminum alloy, brass, etc.2.Process:CNC lathe works , turning ,finish machining3.Major product:precsion machined steel parts, investment castings ...