Examination twin-screw extruder is our company research for universities, research  institutes and large and mediumsized enterprises engaged in various extrusion, extruded maturation, extruded variability study omnipotent models. It has gone through four generations of improvements to adapt to cereals, potato starch, protein, chemicals, plastics, rubber and other raw materials are vastly different for a variety of experiments. Powerful, easy to operate and simple of parameters adjustment, test data accurate, easy maintenance.