Advantages: saving heat mixing equipment, easy to realize mechanization, automation, and enhanced due to host screw shear and plasticizing effect, can make the rubber to obtain uniform temperature and plasticity; improve the quality of extruded products, improve the surface finish of extrudates with dimensions is stable and consistent; the sensitivity of cold feed press the pressure of the small team; wide application range, high flexibility; cold extruding machine investment and the production cost is low.