... ,Diameter ranger 16-50mm,Extruder model LSJ65/30. Single-wall corrugated pipe extrusion line:it mainly uses PE,PP,PVC as raw material ... do from the running tunnels.Produced pipes by the production line are mainly used in wire and cable products threading pipe ... drains,vacuum cleaner,ventilation pipes,tubes,etc. PE PP PVC Single Wall Corrugated Pipe Extrusion Line