... PE/PP/PVC Single Wall Corrugated Pipe Extrusion Line,Model LPBG50,Diameter ranger ... 50mm,Extruder model LSJ65/30. Single-wall corrugated pipe extrusion line:it mainly uses PE,PP,PVC ... with a rigorous use of CNC finishing materials produced to ensure that the hardness of the molding module and ... used in wire and cable products threading pipe,washing machine drains,vacuum cleaner,ventilation pipes,tubes, ...