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