• The coating is smooth, clean and neat, it can adapt the multicolor and high speed printing. • Duplex board with grey back from Golden Paper Group is a type of paper board for packaging that can be used in combination with high performance corrugating medium and linerboard for the outer layer of corrugated board. • Golden Paper's Coated duplex paper board with grey back is typically used as packaging material for small boxes that require high quality printability, such as consumer electronic products, cosmetics or other consumer merchandise. • Good smoothness and thickness, widely used and supplied in printing and packaging of food, wine, toy, drug, shoe boxes and others.