Kunshan moisture-proof foil bags usually refers to the plastic composite vacuum bags, these products are suitable for large-scale precision machinery and equipment, chemicals, pharmaceutical intermediates, moisture, light, vacuum packaging. Multi-use four-layer structure, with good watertight and oxygen barrier function. Unlimited amount of body can be customized with different specifications, style bags, pockets can be made flat, three-dimensional bags, organ bags and other styles. Products subject to GB and ASTM standard testing products meet environmental requirements (available third-party test report), the products meet the European Union and North America on the packaging material most stringent environmental standards. Food issue has been broad interest in the problem of removing the food itself, the packaging has become another important issue. As food bags material is not the same, so he has the particularity itself is different. As personal food composition, its quality, the printing ink is also very important. Some exquisite designs printed bags, with a lot of ink, benzene substances containing it more if it exceeded the residual amount of words, for human consumption after it, it may cause chronic poisoning. Many companies blindly pursue excessive beautifully packaged, often ignored issue of food security.