With the development of society and the advancement of technology, major brand companies have increasingly higher requirements for outdoor advertising. The relatively old outdoor advertising models (such as single-column advertisements, billboard advertisements, bridge body adver...

The LED sky screen is a new type of large-scale display screen for the decoration of urban landmark buildings such as commercial properties. It is hung on the ceiling of the building and plays a significant role in enhancing the lighting and creating an atmosphere for both the in...

We often see a grey sky in the morning. In fact, it is covered by something called haze. Many people probably don't know what haze is. Its main components are formed by sulfur dioxide, nitrogen oxides and inhalable particles. The former two are gaseous pollutants, and they co...