... HDPE, LDPE, LLDPE film blowing machine. 2. Rotating die head 3. Single Extrusion Feature: It is used to blowing PE thermal shrinking membranes ... which are applied extensively to food, medicine, beer bottle, material bottle, box, case, ... more flat and roller changing easy.Optional Device:1) Auto loader 2) Embossing roller 3) Film surface Corona treatment ...