Conical Twin Screw Extruder/Conical Double Screw Extruder is hyper-twin-conical extruder which is developed and manufactured by our company. 
Equipped with the suitable mould tools and downstream auxiliary equipment, you can directly produce plastic pipes, plates, profiles and so on from PVC power. 
Machinery of this series are also provided with two kinds of electric control system: Normal control and microcomputer control; And two kinds of main drive system: DC speed control and frequency speed control. You may choose any of them.