... designers&Advanced technic. Product deatures: Item nameSouvenir plateMaterialGold, plating gold, silver, copper, zinc alloy, alluminum alloy, antique bronze, antique ... coins, Souvenir plates, Lapel pins, Pins, Cufflinks, Metal coins, etcPlatingPure gold, pure silver, antique copper, nickel, iron, brass, brone, aluminum ... .3. Deburring and polishing.4. Plated the medals. imitation gold palting medal