... Stamping machines,automatic stamping machine, CNC stamping partCNC stamping part , chinese metal stamping part , metal stamping parts1. Over ... galvanized steel sheet or tube),stainless steel,copper ,brass,aluminum,etc4.Finish:zinc plated,chromated plated, ... ,welding, tapping, rivetingMaterialStainless steel, carbon steel,copper, brass, and bronze (according to customer's requirements)Surface Treatment ...