Topic: outdoor displays led

With the development of multimedia technology, LED electronic display screens are widely used in commercial displays, which produce good advertising effects, and well-designed support structures for display screens can also become beautiful landscapes in urban buildings. Combined with the viewing distance requirements of the display screen and the characteristics of the investment area, the structure type design is usually carried out according to the construction site and building requirements....

We often see a gray sky in the morning, but it is actually covered by something called smog. It is estimated that many people still do not know what smog is. Its main components are formed by a mixture of sulfur dioxide, nitrogen oxides and inhalable particulate matter. The first two are gaseous pollutants. They combine with fog to make the sky instantly change. It was gray. In fact, fog is a non-toxic and harmless natural phenomenon, and the formation of haze is mainly the result of the joint a...