... smoothness. Low bag-broken 5.OEM service PE High speed film blowing machine high quality 7-layer co-extruded pe film(alibaba China) Size120 ... ,BOPA,PVDC-FILM,PET,VMPET,VMCPP single-layer and multilayer lamination material high barrable high strength,especially excellent use for food package ... it's shelf life.Our pouch bag production kind including:three side seal bag,ziplock bag,stand pouch,T-seal bag ...