Company billboard with big characters

You should be talking about the luminous characters on the roof. The luminous characters on the roof are usually made of aluminum or stainless steel, and the light source is usually LED exposed light. LED exposed lights are used on the roof and high floors. Many signboards also hide many humanistic stories, which have become a major cultural feature of our country. Labels mainly repre sent different categories of goods or different services, also known as "industry labels", which can be divided into image labels, logo labels and text labels.