... leaflets: 1.one-step production. 2.4+4C. 3.strict quality control 4.eco-friendly and recyclable. Leaflets printing 1) Size: according ... color(CMYK)process.3) Materials: white paper board, duplex board with white back, copper plate, art paper, C1S FBB board, ... , envelop printing, calendars printing, etc.We promise:1.high quality. We have high-tech German import four-color Heidelberg, four color Roland ...