... 1)Material: Iron , Copper, Zinc alloy, Pewter, Brass, Aluminum, Soft enamel, Tin, Aluminum Alloy or other metal meterial ,any material you ... , Laser Engraving, Silkscreen, Offset Printing, Sticker, Epoxy, Soft Enamel, Hard Enamel, Polish Flat, Imitation Soft Enamel, Matt, Sandblast, Photo-etching.,any process you can ...