We, Sinoy Packaging, a worldwide packaging materials supplier, integrated professional manufacturer of flexible packaging bags / pouches / composite or laminated film in roll with precise high-speed rotogravure printing ( 1-10 colors ), our first factory was established in 1956, owning about 50 years packaging experience, holding registration certificate issued by state drug administration for supplying medical packaging materials, honored as state-grade contract-stressing & promise-keeping enterprise by State Industrial and Commercial Administrative Bureau. We provide the most innovative packaging solutions to a wide variety of industrial packaging including food packaging, pharmaceutical packaging, Cosmetics packaging , textile / underwear packaging, electronics packaging agri-chemical packaging, seeds packaging, and many more. We provide package printing and converting custom polyethylene bags, polyethylene / PE liners film ( single or multi-layer co-extruded ), PE shrink film, printed multi-layer roll stocks for automatic on-line packaging and custom barrier pouches for common packaging, retort packaging, aseptic sterilization packaging, vacuum packaging, deep frozen packaging, static control packaging, anti-counterfeiting packaging, etc.. These preformed pouches could be made in three-side-sealed with / without reclosable zip-lock strip ( press-to-close zip-pack zipper ), central sealed at reverse side, side-welded with / without resealable adhesive strip, zipper bags, stand-up pouch with zipper, bags with zip-lock facilities, valve coffee bags etc..