... to process PP/PE films. Introductions: 1.Single screw granulator,single screw extruder,double screw extruder,extruder.This kind of machine is mainly used to process ... ,sheets and other plastic products and granulation. 3.The double-screw extruder has the advantage of simple production technological process,high output ... kinds of PVC pipes,profiles,plates,bars and granulation. Double Screw Extruder