Vacuum, also known as personal proof bags, aluminum foil bags, aluminum bags, the material is generally PET / AL / CPE or PET / NY / AL / CPE. Which PET - printing effect, NY - low oxygen permeability , AL - barrier is strong, opaque, CPE - the inner packaging. Glue: water-soluble glue (better health, environmental protection, no solvent residue) This product has good anti-static, and oxygen barrier, shielding, moisture, shading functions and excellent heat sealing. The product according to special requirements of customers in each industry, without changing the product performance, an increase in anti-static function, printing product description, company logo, static logo. There is a need for vacuum packaging, electronics, communications, national defense and other products. Tel (18914980123)