The 'HP-HD' Series Machines are Specially Designed for the Film Blowing of HDPE.
The Gear Box is'3 Shafts Type' to Achieve Low Electricity Consumption, Low Belts
Replacement, High Durability, Noiseless During High Speed Operation.
The Material of Screw and Barrel is PTA, Bi-Metal Alloy Treatment and Grinding
to Ensure High Durability, High Stability and Output Increasing. Without Problem
to Use Recycled Materials.