Twin Screw Extruder + High Quality + Low Price +CE Approval Conical Twin-Screw Extruder Feature and structure: SJZ series conical twin screw extruder is composed of barrel screw, gear transmission system, measurable feeding, vacuum deaerating, heating, cooling and electric control components etc. It is mainly used in plasticizing, extruding and forming PVC pipe, plate, sheet, film, profile, and ...