Building energy saving as the direction of the development of social real estate housing, low energy consumption and high comfort of the house has been widely concerned. At present, the outer sunshade rolling curtain window can be seen in many residential building facilities, and it is mainly used for a series of comprehensive properties other than the sunshade function on the residential building window: sunshade, sound insulation, thermal insulation, anti-theft, blocking the line of sight, weatherproof and so on.

Many modern office buildings are large-area glass curtain walls, considering the shading effect and overall control, as well as aesthetic effects, office buildings often consider to do integral shading system for shading heat insulation. At present, the most widely used sunshade products on the market mainly include: sunshade roller curtain, electric opening and closing curtain, electric shutter curtain and so on.