The equipment is composed of a single screw and a conical twin-screw combination, using specially designed screws and molds, and using PVC mixed polymer materials as raw materials. It has the advantages of more stable extrusion performance, good plasticization performance, and high molding capacity; The product is used for various purposes such as villas, factories, and flat to sloping projects; It has excellent corrosion resistance, outstanding load resistance, super weather resistance, green environmental protection, easy installation and other advantages.