Wood-plastic composite materials refer to the use of polyethylene, polypropylene and polyvinyl chloride, etc., instead of ordinary resin adhesives, mixed with more than 50% of wood powder, rice husk, straw and other waste plant fibers to form new wood materials, and then extruded Press, molding, injection molding and other plastic processing techniques to produce plates or profiles. WPC decking making machine is used to make wood plastic composited decking, exterior WPC wall cladding, and so on. The manufactured WPC board has the advantage of sun protection, moisture-proof, durable, etc.