... Designed by modular principle. Precise processed, agile combination Self-cleaning,transmission,compounding Tairong MachineyTwin screw extruder ... screw element: convenient interchangeability by agile combination.fulfill efficient self-cleaning, transmission, compounding, pressure ... WENGERP/C-10HEAD , SLEEVE , SCREW , SHEARLOCK High quality and Standard Twin Screw Extruder Screw Element