... HDPE, LDPE, LLDPE film blowing machine. 2. Rotating die head 3. Three layer extrusion 4. Common-extrusion Extrusion Feature: The ... oxygen, oil resistive, and so used for light and heavy-duty packaging, for example fresh fruits, meat-feeding, salt vegetables ... length counting device, vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device. Optional Device:1 ...