... by modular principle. Precise processed, agile combination Self-cleaning,transmission,compounding Tairong MachineyTwin screw extruder screw element: convenient interchangeability by agile combination.fulfill ... 38.3PADDLE , LINING , STOP BOLTSTEAM NOZZLE2) ALMEX DISK PLATE , LINER , SCREW , HEAD SCREW MIXING PIN , BUSH , SEAT , DRIVE SHAFT MAIN SHAFT , COMPRESSION HOUSING ...