Coated Grey Back And White Back Duplex Board Paper Advantages:* Duplex paper board widely used for printing and package for toy, wine, shoe boxes,    tissue box and express bag etc.* Duplex paper board support for carton lamination and die-cutting.* Strong stiffness and folding resistance, good printing ink absorbency and further       processed, with reliable and stable quality.* High surface intensity suitable for any kind famous brand of high-speed 4/6/8 colors   offset printing HEIDELBERG, ROLAND, LITHRONE. Product Usage About GERSON Coated Grey Back And White Back Duplex Board Paper Production Line:- Machine width: 4400mm- Output: 800tons per day- Automatic sheets and rolls packing machine- QC inspection for every lot of goods   Coated Grey Back And White Back Duplex Board Paper Roll Package:- A