... ,Chrome,Rhodium,Dyed Black.Process:Stamped,Die Cast,Photo Etching.LOGO:Soft enamel,Silk screen printing,Offset printing,Engraved,Embossed,Debossed ... making simple logoThe last technology is making logo by silk-screen printing.It is print logo directly on the surface of metal,and ... not very good for logo because of easy faded ...