WPC wall panel is has a strong security, because it has high strength and water resistance, strong impact resistance, no crack. And it also has strong stability, meaning that its waterproof, moistureproof, mouldproof, anti-corrosion and insect-resistant eat by moth, weather resistance, aging resistance and thermal insulation energy-saving sex, can use for a long time in climate change shape large outdoor environment, but not metamorphism, not brittle, performance.