Extruder with twin wrist feeding unit consists of rotors feeding base , transmission unit etc , twin wrist feeding unit is used to feeding lump material , compound discharged from banbury will be transferred to extruder feeding unit , and rotors rotate to push material move into single screw extruder , in this way it the traditional sheet form feeding is improved , with advantages of simplify production technology , save production cost , reducer labor force , and make operation simple , by this feeding way , increase feeding speed and feeding quality , which can meet extruder continuous production requirement .