... -friendly materials 4. short lead time Board Book Printing: High quality board book printingPaper material:White cardboard, grey ... sensitive ink, water-colored ink.Accessories:Magnet, ribbon, EVA foam, plastic tray, sponge, PVC/PET/PP window, discs, ... 1 Perfect binding line-1 saddle stitching line-1 hardcase book production line-3 automatic diecutting machines-2 semi-automatic diecut machines-finishing ...