... , Antique bronze,Antique copper, Antique nickel, etc.3) Craft:Stamp, Die struck,Hard enamel, Imitation hard enamel, soft enamel, silk printing ... , offset printing , printing with epoxcy, sticker, Laser Engraving,Photo-etching.Advantage:1 ) OEM and ... products:About company: 2012 Popular metal pin badge laple pin with flat photo