Efficient extrusion suitable for silicone tube, silicone tube, silicone products of various composite profiles and continuous fast curing, unique design, silicone extrusion machine feeding device successfully, enhance the production stability of workers, reduce dependence, high compression ratio and high diameter ratio of screw extrusion long makes compactness and better mixing refined products, inside and outside the smooth surface, no bubbles, the size is stable and consistent etc..