Package bag is a film different characteristics to special adhesive compound made of heat-sealed together to overcome the inherent flaws single film. To ensure that food and other films from the erosion of the contents and ensure the shield Preservation, often using PE, PET, PP, NY plastic film and aluminum film or aluminum foil. According to Chi Feng plastic bag factory in Yiwu introduce complex color bags, composite film is widely used in beverage, pharmaceutical, electronics, pesticides and cosmetics and other items of packaging color plastic bags, into a modern industrial indispensable package bag. Commonly used plastic bags of food, mostly made of polyethylene film color bags design, the film non-toxic, it can be used to hold food. There is also a film made of polyvinyl chloride, PVC itself is not toxic, but the film based on the use of the additive added is often harmful substances, has some toxicity. So this kind of film, and the film made from the plastic bags are not suitable for holding food. Yiwu Chi Feng plastic bag factory located in Yiwu City, Zhejiang Province. Companies adhering to the "customer first, forge ahead" business philosophy, adhere to the "integrity management, customer first" principle to provide our clients with quality services. Our product quality is guaranteed. The world's most advanced color printing. Bag making machine, specializing in the production of food. Toys. Style Clothing accessories Cosmetics Crafts. Daily necessities and other industries supporting the plastic bag. And with OPP.CPP. Polyethylene (PE). Polypropylene (PP) .PE ziplock bag (zipper bags), over a variety of special custom specifications of plastic bags. Welcome new and old customers! Plastic color bags color bags _ _ Shandong Chi Feng plastic bag provided by Yiwu Chi Feng plastic bag factory. Yiwu Chi Feng plastic factory (tzbdv9058207716.cn.gongchang.com/) strong, credible, Jinhua in Zhejiang plastic bag industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Chi Feng plastic bag into the brilliant and you work for a better future!