Process: 1) Cloisonn/Hard Enamel 2) Imitation Cloisonn/Synthetic Enamel 3) Soft Enamel 4) Photo Etched 5) Offset printing 6) Silk printing Material: 1) Copper 2) Iron/Steel 3) Brass 4) Aluminum upon process Thickness: Range from 0.8mm C3.0MM (Can be adjust per process and customers request) Plating: Gold/Silver/Nickel / Antique Gold/Silver/Black Nickel Attachments:B/C,or other Per customers request. Pls reference Attachment Epoxy are recommended in Process like: Photo Etched /Offset printing /Silk printing.