PE & PP wood-plastic floor refers to the mixing, devolatilization and extrusion of wood-plastic composite materials in different equipment, that is, after the raw materials are mixed according to a certain formula, wood-plastic particles are created in the middle, the process of extruding wood-plastic flooring. At present, the two-step method is widely used. Generally, the products are granulated by conical double extruders or flat double extruders, and then extruded by conical double extruders or Single Screw Extruders, extrusion molding of PE & pp wood plastic products such as floor, guardrail and Pallet.