Wind resistance day and night courtyard umbrella, aviation aluminum umbrella bar, daytime sun shading, high sun protection, high density umbrella cloth, strong ultraviolet shielding rate, cooler under the umbrella, safe use, outdoor waterproof and dustproof, upgrade the base, more wind resistance, upgrade and increase and thicken the tank base, increase the area, more heavy wind resistance, corrosion resistance and no cracking, and rougher aviation aluminum, wind resistance upgrade, Aeronautic aluminum main bar rougher, wider and thicker wind resistance is stronger, not afraid of sun and rain and rust, rain resistance and suntan and suntan, high color fastness, UV resistance, both sun and rain are not afraid