... includes two-claw type,three-claw type,four-claw type,six-claw type,eight-claw type,ten-claw type,twelv-claw type etc. ... automationAdopting special screw ,good effectAdopting compound spiral engine head,effectively deleting memory function of the materialVacuun sghaping ... ,constant temperature control,eliminating pipe stressAdopting co-extrusion head to improve the tube with colour lineHeavy extrusion ...