... bag-broken 5.OEM service PE High speed film blowing machine high quality 7-layer co-extruded pe film(alibaba China) Size120- ... 5) puncture resistance,transparency7)keep food longer time fresh8)high seal strength, good heat-sealing performance, excellent smoothness and ... ,VMPET,VMCPP single-layer and multilayer lamination material high barrable high strength,especially excellent use for food package to ...