SJ series single-screw extruder 1,diameter ranging from 16mm to 710mm 2, turn- ... key service 3, long period sevice SJ series single-screw extruderFeatures:1) Extruders with different specifications,combined with different auxiliary ... diameters ranging from 16mm to 710mm range.2) The unique screw design ensures the high efficiency extrusion of PVC material, flexible ...