... film3 layer and 7 layer co-extrusion lamination film for package.thickness from 50mic to 250mic ... contain oil or liquid. we also produce other more kind of flexible packaging film and bags following: ... extrusion EVOH/PA/LDPE series and WRAP protection film series production.Material such as LDPE,LLDPE, ... PVC,HDPE,CPP,BOPP ,BOPA,PVDC-FILM,PET,VMPET,VMCPP single-layer and multilayer lamination ...