three-layer Co-extrusion Rotary Die-head film Characteristics:1.Die head is lauer ... thickness packaging films, from LDPE, HDPE, LLDPE, MLLPE, by horizontal extrusion up blown. The film has good in solution, for instance ... *7.29.0*6.4*8.2 three-layer Co-extrusion Rotary Die-head film blowing machine