PE film blowing machine 1.HDPE, LDPE, LLDPE, EVA 2.good performace,high output. 3.film thickness0.02mm-0.2mm PE film blowing machine1. ... device, vertical cutting device, and film spreading roller. (d)high output, professional performance and reasonable design.3. Technical ... frequency control of motor speedAdopting undulating structure screw, and water cooling device matches with the charging part. ...