... , etc.6] Bottom reinforcement: customize, usually use pp board or paper cardboard.7] Certificate: SGS, ROHS, we used environmental printing ... so onSurface finishing:Glossy lamination, Matt lamination, laser lamination,Insert:Paper cardboard, PP cardboard (white&black), etc.Printing:Gravure Printing, ... of silkscreen.C. The artwork size on one or two sides or more, which affect the unit price of hot ...