... layer 4,longer lifetime Tairong Machiney Spare Parts of Twin Screw Extruder convenient interchangeability by agile combination ... cleaning, transmission, compounding, pressure-forming, etc.made of high tool speed W6Mo5Cr4V2, or anti-corrosion steel ... , melt pumps, screw changers, gearboxes, pelletizers andside feeders PRODUCT LIST(EXTRUDER) 1) WENGERX-185HEAD , SLEEVE , SCREW , SHEARLOCKMAIN SHAFT ...