CJWS series twin-screw extruders are used in petrochemical powder granulation, modification, coloring, and extrusion molding to satisfy the high-end customer demand for high capacity, high quality. A twin-screw extruder is an automatic machine with low make-ready times and is easy to operate. It has an automatic adjustment of synchronization between feeder and main motor by easy operation. According to the customer's requirement, the imported driving part of the twin screw extrusion machine has stable performance and is deeply in the high-end customer high praise.