About Us Shijiazhuang Zhongbang Packing Materials Co. , Ltd. was founded in 2003 . It is a professional manufacturer of aluminum foil plastic composite packing bags ( film ) , integrated with manufacture , sales and export trade.Shijiazhuang Zhongbang Packing Materials Co. , Ltd is specializing in moisture barrier aluminum foil bags , FIBC Liners , Octabin liners , Bulk Bag Liners , Valve Port barrier foil Bags , Side Gusseted barrier foil bags , etc .