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 ... closed strycture,module link in the overall closure base,in forming do from the running tunnels.Produced ... mainly used in wire and cable products threading pipe,washing machine drains,vacuum cleaner,ventilation pipes,tubes, ...