Solution Description Solitary Screw Parallel Shaft Reducer for Plastic Extruder (JHM/ ZLYJ/ ZSYJ)PTT extruder gearboxes have 2 common series for 2 sorts screw extruders:ZLYJ/ZSYJ Sequence Extruder Gear Units for Solitary Screw ExtrudersSZ Collection Extruder Equipment...