Anhui Branch of the Printing Co., Ltd. produce various kinds of plastic packaging bags; food bags, seed bags, pouches, bags of pesticide, medicine bags, cooking bag, vacuum bag, ziplock other 复合包装袋 and membrane. The bag is normally provided by two or more composite materials, generally OPP / CPP, PET / PE, PET / PETAL / PE, PET / PETAL / CPP, PET / AL / PE, PET / AL / CPP, and so on. The middle layer of three materials are generally aluminum material for the PET, or aluminum foil. OPP or PET for the outer layer of fine print patterns. According to the needs of customers, half of the aluminum side of a transparent and so on.