... requirementMaterialIvory board250G,300G, 350GArt paper 128G, 157G, 200G, 250G, 300GDuplex board with grey back250G, 300G, 350G,400GGrey Paper250G, 300G, 350G, 400GCraft ... , 120G, 150G, 200G, 250G, 300GCorrugated paper A, B, C , E grade Grey boardFrom 500G to 2000GDuplex boardFrom 500G to 2000Gcolors1-4C ...