... brand metal car key chain wholesale for promotion Material: zinc alloy,crystal or customized Metal alloy with rhinestones decorated, ... painted, silk screen, offset printing,laser,plating etc.Logo method:offset printing, screen printing, laser engraving, embossed etcOtherMaterial:Copper ... have defferent sizeLogo:Soft enamel, laser engraving, offset printing, etc. Customize logo.can add epoxy or notBack ...