twin screw extruder With more than 10 years experience in machine manufacture and our new technology,we developed WH-SJZ-45,50,55,60,65,80,92conical twin-screw extruder.This series extruder have excellent advantages of good compounding,high output,stable operation,great application range,long live span,PVC powder direct processing.And also could be used in the production of pipes,profiles,sheets and palletizing with suitable die and accessory machines. Temperature adjust equipment of the screw core:Using heat stick type inner cycle cooling system or auto-adjust temperature control type outer Cycle cooling system. Barrel Cooling:Wind cooling or control instrument:PKC instrument or local made instrument. Speed adjust equipment of main machine:Silicon control direct current stepless speed regulation or Japan's frequency conversion alternating current speed regulation or England's digital direct current speed regulation.Customer could make the choice according to their own requirements. One year quality guarantee.50% discount repair fee after one year.