1. HDPE, LDPE, LLDPE film blowing machine. 2. Rotating die head 3. Three layer extrusion 4. Common-extrusion Extrusion Feature: The lines are designed ... , drink. Performance and Characteristics: 1. Die head is layer type spiral mandrel, continuous 3600 rotation. 2. Screen pack ... device, vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device. Optional Device:1) ...