The performance characteristics of Local integrated design of similar foreign products advantages of strong plastic to high-pressure polyethylene (LDPE) for raw materials, production folder chain bag of special equipment, their products are widely used in food, clothing, medicines, metal parts, accessories, daily necessities Such as packaging, the main folder chain bag products: General folder chain bag packaging, color folder chain bag, double bag saddle, cold storage folder chain bag sealed bags and so on, the unit production Sandwich chain with a bag opening and closing of convenience, high fastness, The tightness and strong advantages.