SJSZ series concial twin screw extruder is composed of barrel screw, gear transmission system, measureable feeding , vacuum deaerating, heating, cooling and electronic control components, ect. Twin Screw Extruder is applicant for PVC powder material, with different mould and downstream equipment; the plastic extruder can produce pipe, profile, plate&sheet, and pelletizing. The extruder features in good plastic extrusion, good plasticization, even melting, high output capacity, wide application and reliable stability, specially designed gearbox and distributor and reinforced thrust bearing realize large transmission torque and long operation time. Electrical control system: Siemens PLC auto control system or RKC temperature control, and ABB Invert/transducer, Siemens contactor, and several alarm system