... pack changer Design is rational convenience, reliable, safe in operation.3. Various functional parts may be installed to the lies, such ... packaging films, from LDPE, HDPE, LLDPE, MLLPE, by horizontal extrusion up blown. The film has good in solution, for instance holding temperature, anti ... *5.8*7.29.0*6.4*8.2 three-layer Co-extrusion Rotary Die-head film blowing machine