... steel, stainless steel,Aluminum 2.Turning&boring parts Precision Non-standard Metal Machinery Parts1.Material: Copper ,brass,steel, ... steel,aluminum & aluminum alloy, brass, etc.2.Process:CNC lathe works , turning ,finish machining3.Major product:precsion machined steel ... accuracy ss parts,sheet metal stamping parts,etc.4.Featureshigh precision ,quality,and competitive pricecustomerized drawings and ...