We Sinoy Packaging, a worldwide packaging solutions supplier integrated professional manufacturer of flexible packaging bags, poucheslaminated roll stocks with precise high-speed rotogravure printing , 1-10 colors ) our first factory was established in 1956 owning about 60 years flexible 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. br