Sansi is the best LED display manufacturer in China. Our main products include both indoor and outdoor display systems like full-color video display panels, variable message signs, message display terminals, intelligent queue management system etc which can be wildly used in highway, square, exhibition and so on. What is more, our products also include advertising video signs and traffic control products. Our advantage lies in the strong R&D team that we have, and we can develop and design new products according to the customer&＃039;s need.