... 4. Double-side offset paper(80gsm, 100gsm)5. Grey paper(250gsm, 300gsm, 350gsm, 400gsm)6. Duplex board with grey back(250gsm ... of the materila, thickness, size, printing color, surface finishing, quantity and other requirements you perfer and the special ... such as 5C printing machine, paper cutting machine, die cutting machine, vanishing machine, lamination machine..... Other cardsWelcome to inquiry ...