... school badges with hard enamel processing The metal products description as belows: Materialgold, silver, brass,red copper, bronze, ... contact for further information.TechnicsCarved, casting, painted(nickel,brass,gold,chrome,rhodium) polished, welding, etcColorMulti-color is ... send us your logo artwork. logo can be soft enamel, cloisonne, engraved,embossed,debossed etcUsageGifts, crafts, or collections ...