... (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 ... high quality. We have high-tech German import four-color Heidelberg, four color Roland, Japan komori, etc and we also have many sets ...