... iron, brass, copper, stainless steel, zinc alloy, aluminum, and so on.2. Design &Logo: screen printing, pad printing, offset printing, ... laser and so on.3. Various plating Finish: silver, Antique silver, nickel ,black nickel ... air or by UPS or other express.7. Product range: metal key chain, lapel pins, badges, coins, awards, medals, medallions, ...