... small footprint, easy to control and operate. double screw, extruder, plastic extruder SHJ-50D series twin screw extruder(CE Standards)Application: Suitable ... , vacuum system, hydraulic screen changer and die, water tank, air knife, pelletizer, electric cabinet etc.Option auxiliary machines: side feeder ... design and small footprint, easy to control and operate.double screw, extruder, plastic extruder