The machine combines the advantages of the same type product in domestic and overseas, with a good plasticity and take LDPE as raw material, is a kind of specified equipment that manufactures zipper bag. Its products have been widely used in packaging of food, garniture, drug, hardware parts, decorating parts and convenience goods etc. Colorful zipper bag, bag with double. Zipper bag for cold-storage ectc. The main kinds of zipper bags are: Zipper bag for common packing. The zipper bags manufactured by the machine group have advantages of convenient opening, high firm character and good sealing character etc.