It is modern outdoor sun shade system. The mechanism of aluminum-alloy is simple. It is  perfect to match the daylight roof and aluminum-alloy glass-wall together. It is fully showed the style of modern building. It is satisfy the request of horizontal, vertical and tiltable. It include the function of shutter and roof blinds,such as: adjusting light, sun shading, heat preservating, heat insulation etc. Scientific design and precise technics make sure the excellence reliance. It will not distorted plane the wind speed is 160km/h, so will the rainy.
The slat could fold and adjust at random in the scope of 0~90centidegree. It could control by manual and motor. The shape could designed as squareness, triangle, round, trapezium and so on.