... bag-broken 5.OEM service PE High speed film blowing machine high quality 7-layer co-extruded ... )make the package economically,convenient and versatile.5) puncture resistance,transparency7)keep food longer time ... ,BOPA,PVDC-FILM,PET,VMPET,VMCPP single-layer and multilayer lamination material high barrable high strength ... to make sure and lengthen it's shelf life.Our pouch bag production kind including: ...