1.Zipper Bag making Machine make multi-layer three-side sealing laminated bags for food,powder,sweets BOPP,PET,CPP,PE, nylon HDL ... High-speed (Three-servo) Three-side Sealing Standing Zipper Bag making ... suitable for producing two-layer or multi-layer three-side sealing laminated film bags (bags for food, washing powder and sweets, etc.) which ...