The digital signage system can count and record the playing time, playing times and playing range of multimedia content. It can also realize more powerful interactive functions while playing, which brings opportunities for creating new media. Self-service Food Ordering System, Low Cost Touch Screen Monitor, Video Display Screen, Flexible Oled Display,Office Digital Signage. In our efforts, we already have many shops in China and our products have won praise from customers worldwide. Welcome new and old customers to contact us for the future long term business relationships. The product will supply to all over the world, such as Europe, America, Australia,Switzerland, Belgium,Detroit, Guatemala.Practicality: convenience and practicality are the core design concept of intelligent multimedia classroom solution. Only simple operation, practical function and good effect can improve the efficiency of teaching and learning. This scheme has less construction quantity and short construction period. The integrated intelligent touch and power amplifier sound are adopted, which does not need to be rewired and does not damage the original classroom pattern.