three-layer Co-extrusion Rotary Die-head film Characteristics:1.Die head is ... changer Design is rational convenience, reliable, safe in operation.3. Various functional parts may be installed to the lies, ... films, from LDPE, HDPE, LLDPE, MLLPE, by horizontal extrusion up blown. The film has good in solution, for instance ... 8*7.29.0*6.4*8.2 three-layer Co-extrusion Rotary Die-head film blowing machine