Main products: aluminum foil bag, vacuum bag, shielding bags, aluminum bags, board vacuum bags, cooking food vacuum bag, nylon vacuum bag, anti-static bags and other packaging materials, metal. Kunshan Chi Shing vacuum has the following advantages: First, the air barrier performance, oxidation, waterproof, moisture-proof. Second, the strong mechanical properties, high performance, strong anti-puncture tear resistance. Third, the high temperature (121 ℃), low temperature (-50 ℃), oil, incense and performance guarantee. Fourth, non-toxic and tasteless, in line with the food, pharmaceutical packaging hygiene standards. Five, good sealing performance, flexibility, transparency. Products for Industry: ① industrial products: welding materials, electronic products, circuit boards, precision machinery parts such as oxidation and corrosion. ② vacuum packed food: rice, meat products, dried fish, aquatic products, sausages, duck, chicken, roast pork, frozen food, ham, bacon products, sausages, cooked meats, pickles, red bean paste, spices, etc. aroma, quality, flavor, color retention. Vacuum bag to natural air as the mainstay, environmentally friendly means of composite plastic film material, through scientific design, development and production of the most environmentally friendly inflatable packaging, filling and packaging, bags and other containers filled with carbonated products, according to the actual needs of the design, production, customized sizes to meet a variety of packaging requirements.