... oil 4)OEM service high quality co-extrusion lamination packaging film3 layer and 7 layer co-extrusion lamination film for package.thickness from ... ,CPP,BOPP ,BOPA,PVDC-FILM,PET,VMPET,VMCPP single-layer and multilayer lamination material high barrable high strength,especially excellent use for ... it's shelf life.Our pouch bag production kind including:three side seal bag,ziplock bag,stand pouch,T-seal bag ...