... .alumininm,copper alloy 2.Metal electronic components Shell; power-supply filter shell1material:stainless steel,copper,iron.alumininm,copper ... quantity: comply with customers demand.8.Competitive price, High quality and quick delivery Material:Brass,CRS,Stainless steel, ... plating,Coating Black,Color Coating,Dip Tin,etc.Major Equipment:Stamping machines,Punching machine,Cutting machine,Sintering machine, ...