... .extruding PVC,PE,PP pipes, sheets,profile... 4.CE Co-rotating parallel twin screw extruder (plastic extruder, plastic machine ... )Fature and structure:SJSH series building block type co-rotating twin-screw extruder mainly composed of barrel screw, ... linr such as resin plant and plastic-makin plant.Mian technical standards:ModelSJSH63SJSH72SJSH92Diameter of the screw (mm)637292Length to ...