Lingqi Optoelectronics, as a leading enterprise in the light box and advertising machine industry, has invested in the research and development and production of smart city furniture long ago. It has successfully developed intelligent guiding system, LCD splicing series, outdoor LCD advertising machine, car charging pile, intelligent remote management system and module, etc. It combines the concepts of intelligent management, Internet of Things, cloud platform with advertising equipment to realize the number. Data acquisition and large data management, and applied to the project under construction, won the approval and recognition of the majority of users. Lingqi Optoelectronics has professional and intelligent urban planning and design team, efficient construction team, strict quality supervision team and perfect after-sales service system to ensure the progress of the project and construction quality. Over the past 20 years, Lingqi Optoelectronics has built more than 200 large-scale metro, high-speed railway, railway station, bus station, business square, bus platform, airport and other projects, which have been appreciated and recognized by the vast number of users.