WPC Great Wall Panel (also known as Wood-Plastic Composite Fluted Panel) is a decorative board made of wood flour, PVC/HDPE resin, and eco-friendly additives through high-temperature extrusion and mold forming. It features a continuous concave-convex "Great Wall" profile, combining natural wood texture with plastic durability. As a green and eco-friendly material, it is widely used for both interior and exterior decoration.