Plastic bags is a set of advantages in a variety of packaging packaging products, lower cost, the fine print; the product has: anti-static, anti-UV, moisture and oxygen barrier shading, cold oil temperature, easy to seal fresh oxygen barrier properties characteristics of strong plastic bag type: 1: Press the material structure can be divided into: aluminum composite bags, aluminum composite bag two kinds (including paper aluminum composite bag) aluminum composite bag: opp / al / pe; pet / al / pe, etc. Aluminum composite bag: pet / vmpet / pe; vmpet / cpp and so on. 2: Press the function can be divided into: anti-static shielding bags and electronic products, anti-UV cosmetic products packaging bags 3: Press the process structure can be divided into: two composite, three and four-story complex composite material structure according to customer request to combine. Two complexes: opp / vmpet; vmpet / pe, etc. (above kind of structure commonly used in toy packaging); opp / vmcpp etc. (commonly used in biscuit packaging); three composite: matopp / vmpet / pe; opp / vmpet / pe et al., (often used in mask bag); pet / vmpet / pe, etc. (commonly used in the shampoo water bag) four complex: pet / ny / vmpet / pe, etc., usually adding nylon film, in order to increase the flexibility of the composite bag. 4: Press the bag type can be divided into: three letters; Independence bags; self-suction bags; profiled standing bag, bag in box, special bags. Plastic bag Features: high flatness, printing bright colors, can be equipped with zippers, local Matte, bronzing and other special techniques. Unique design, the new printing process, highlighting the effects of designs and trademarks, trademarks or patterns can be designed in particular, play a very good security effectiveness. More prominent products of high quality, distinctive shelf effect.