... the requirements of the customer Specifications: metal alloy badge pin 1) Material :Iron, Copper, Zinc alloy , Pewter , Brass , Aluminum, Soft ... enamel, Tin, Aluminum alloy or other Metal material , any ... ) 4) Plating :Gold ,silver, Nickel, Chrome, Bronze,Copper, Antique gold, matt gold, Antique silver, Antique bronze,Antique ...