three-layer Co-extrusion Rotary Die-head film Characteristics:1.Die head is lauer type spiral mandrel, continuous 360, ... reach the advanced levels in the 90s,come up with analogous lines in Home. It is optimum Designed ... films, from LDPE, HDPE, LLDPE, MLLPE, by horizontal extrusion up blown. The film has good in solution, for ... 6.4*8.2 three-layer Co-extrusion Rotary Die-head film blowing machine