Feature: -The screw is the high-speed screw, the large L/D make up the problem which the material stay short time in the screw, so the screw can’t appear bad plastify’s problem when the high speed screw working, thus improve the production efficiency. -Special screw for making PE film, PP bags. -Option compactor feeder or force feeder. -water ring cutter option or strand cutting option. - It adopts frequency motor, and can control screw’s extruder speed freely