... alloy, aluminum, stainless steel, cold-rolled steel, copper, brass and more 3.Size: According to your demands 4.Surface ... treatment: Galvanization,plaint,power coating ,brass,polishing and more 5.Performace: Pricision metal stamping, other machining processing ... , surface plating, QC testing and packaging 6.Usage: CNC stamping machines, welding machines, ...