... Hardback book printing 2, Matt art paper, 4/4 color, silver foil stamping on cover 3, Sewn hardbound Book ... And the thickness is from 80gsm to 400gsm2) printFull color/pantone/dichromatism,gold,silver(1C/1C,4C/4C,5C ... . Plate-making dept., Folding machine, Saddle Stiching Production Line, Casebound Production Line, Perfect Binding Production Line 4) Excellent and Experienced staff: Over 400staffs and ...