... layer 4,longer lifetime Tairong Machiney Spare Parts of Twin Screw Extruder convenient interchangeability by agile combination.fulfill efficient ... together, they will become twin screw which are essential and key part of extruders for material to transmission, ... with spare parts for all kinds of extruders; includingscrew elements, linings, melt pumps, screw changers, gearboxes, pelletizers andside ...