... CMYK)process.3) Materials: white paper board, duplex board with white back, copper plate, art paper, C1S FBB board ... coating, gold / silver stamping5) Delicate design, fine craftsmanship, high quality, reasonable price OEM orders and customer-made artworks are welcome ... envelop printing, calendars printing, etc.We promise:1.high quality. We have high-tech German import four-color Heidelberg, four color ...