... top grade wood pulp /recycled pulp.paper board 2)Thickness :1.0mm~5.0mm 3)Size:can product as you ... frame,jigsaw puzzle,cigaretee case,wine boxes etc. 5)Color brown core,brown face,brown back 6)Brands: ... have no warp in the surface of paper board;3.There should no fissure and waviness in ... Grey chip board Grey board (both side grey) Coated duplex board with grey back Coated duplex board with white ...