... ) Mixer, Feeder, Crusher, Powder mill( extruder parts, supporting machine,plastic extruderl)It is used in mixing,drying,colouring and ... the heating mixed cover adopted the airopening device and the opening of the cooling mixed cover adopted hydraulic pressure control system ... the test of the dynamic and static balance testing machine Mixer, Feeder, Crusher, Powder mill( extruder parts,supporting ...