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