... PE/PP/PVC Single Wall Corrugated Pipe Extrusion Line,Model LPBG50,Diameter ranger 16-50mm,Extruder model LSJ65/30. Single-wall corrugated pipe extrusion line:it mainly uses PE,PP,PVC ... hardness of the molding module and precision molding machine for the closed strycture,module link in the ... by the production line are mainly used in wire and cable products threading pipe,washing machine drains,vacuum ...