... high strength, difficult to deform, the surface is treated by anticathode oxidation, anti-aging, corrosion preventive. According to ... choosed 50mm, 70mm, 80mm or 110mm, underbeam made by white paint luxurious heavy rail, top-grade quality. ... control, also can use computer platform, multimedia central control system. strcture diagram a motor drives two fabrics diagram roll up blind with remote control ...