... Diameter ranger 16-50mm,Extruder model LSJ65/30. Single-wall corrugated pipe extrusion line:it mainly uses PE,PP,PVC as raw ... and outside produces smooth uniform corrugated pipes.The forming blocks made of hard steel,dealed with a rigorous use of CNC ... cable products threading pipe,washing machine drains,vacuum cleaner,ventilation pipes,tubes,etc. PE PP PVC Single Wall Corrugated Pipe Extrusion Line