Gian ton bag packaging _ Tiande (certified) _ tons of bags provided by Pingxiang City Tiande Packaging Materials Co., Ltd. Pingxiang City Tiande Packaging Materials Co., Ltd. (www.tdbzcl.com) is specialized in "bags, ton bags, container bags, color bags, paper-plastic bags, used tons of bags, woven ring" of the enterprise, the company adhering to the "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: U Saw park. Composite bags: composite plastic film, has a layered structure Gian tons of bags, the layered structure contains at least directly adjacent set of co-extruded composite and its main ingredients are mutually exclusive two plastic resins one of the first film and the second film. A first layer disposed on the surface of the composite plastic film. The main component of the first layer of polypropylene copolymer Yichun tons of bags, the main component of the second film is a polyester homopolymer. The utility model disclosed in this composite plastic film, it is not only the individual layers have different properties, and at least two adjacent film layers disposed between the easy separation, is a new type of laser or aluminized layer Molded film dedicated film transfer valve pockets tons of bags, commonly known as the paste at the end bags sold tons of bags, bags for the current international fashion, from the top or bottom feed valve port, using a special filling equipment, materials loading prescription after filling body Heap package neat, attractive, are environmentally friendly bags. Introduction valve bag valve bag valve pockets characteristics, at the end of the valve pockets [1] valve bag packaging with improved efficiency, easy to transport, fastness strong, low breakage rate and so on. Valve pockets classification