... choose. Material Iron , Copper, Zinc alloy, Pewter, Brass, Aluminum, Soft enamel, Tin, Aluminum Alloy or other metal meterialPlatingGold, Silver, Nickle, Chrome ... Engraving, Silkscreen, Offset Printing, Sticker, Epoxy, Soft Enamel, Hard Enamel, Polish Flat,Imitation Soft Enamel, Matt, Sandblast, Photo-etching,and so on.If ...