... 5.OEM service PE High speed film blowing machine high quality 7-layer co-extruded pe film(alibaba China) Size120- ... food longer time fresh8)high seal strength, good heat-sealing performance, excellent smoothness and low bag-broken rate.Application1) ... HDPE,CPP,BOPP ,BOPA,PVDC-FILM,PET,VMPET,VMCPP single-layer and multilayer lamination material high barrable high strength,especially excellent ...