The company produces cooler bag, vacuum bag, aluminum foil bags, inflatable bags, shopping bags, shaped bags, woven bags, food bags, stand-up pouches, nozzle bags, bedding bags, clothing bags, children's bags, thermal underwear, heavy packaging bags, valve bags, anti-skid bags, cosmetic bags, zipper bags, ziplock bag, gift bags, industrial packaging bags and other plastic bags. Welcome to the new and old customers to negotiate! ! ! ! ! ! ! Polyethylene, has excellent low temperature properties (lowest service temperature up to -70 ~ -100 ℃), good chemical stability, resistance to most acid-base corrosion (intolerance with oxidation properties of acid), room temperature, soluble in common solvents, water absorption, excellent electrical insulation properties; however polyethylene for environmental stress (chemical and mechanical action) is very sensitive, heat aging resistance is poor. Polyethylene nature because of different varieties, depending on the molecular structure and density. Using different production methods can be of various density (0.91 ~ 0.96g / cm3) of the product. Generally available polyethylene thermoplastic molding method (see plastics processing) processing. The company produces cooler bag, vacuum bag, aluminum foil bags, inflatable bags, shopping bags, shaped bags, woven bags, food bags, stand-up pouches, nozzle bags, bedding bags, clothing bags, children's bags, thermal underwear, heavy packaging bags, valve bags, anti-skid bags, cosmetic bags, zipper bags, ziplock bag, gift bags, industrial packaging bags and other plastic bags. Welcome to the new and old customers to negotiate! ! ! ! ! ! ! 3: according to the process structure can be divided into: two composite, three composite and four composite Xinjiang evidence bag manufacturers, material structure can be combined according to customer requirements. Two Composite: opp / vmpet; vmpet / pe Henan and other evidence bag manufacturers, (above kind of structure commonly used in toy packaging); opp / vmcpp et al., (Commonly used in biscuit packaging); three composite: matopp / vmpet / pe; opp / vmpet / pe etc. (used to mask bags); pet / vmpet / pe physical evidence bag manufacturers, (commonly used in the shampoo water bag) four complexes: pet / ny / vmpet / pe, are generally added to a nylon membrane, in order to increase softness composite bag. 4: Press the bag type can be divided into: three letters; Independence bags; self-nozzle bags; profiled self-reliance bags, box bags, specialty bags. Evidence bag manufacturers bag manufacturers _ _ Shandong evidence Shin Hae packing (certified merchants) are provided by Xiongxianshenhai packaging color Limited. Xiongxianshenhai packaging color Limited (www.shenhai6688.com) (www.shenhai6688.com) is specialized in "cooler bag, profiled bags, vacuum bag, heavy bags, liquid packaging bags, specialty bags," the business, Companies adhering to the "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhang Zhiwei.