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 ... etc. It is mainly used in plasticizing, extruding and forming PVC pipe, plate, sheet, film, profile, and granule etc. Technical Parameter: ...