Precision metal stamping parts Material: brass, steel, S.S, Al OEM orders ... , steel alloy, stainless steel and iron, aluminum, zinc· Available diameter: from OD1mm to OD120mm· Available surface finish: fine polish, electrolyte-polish ... , aluminum oxidation, zinc-nickel or relative plating coating.· Available processes: metal processing includes machining, stamping, die-cast and hot-press, expert ...