Duolun Information Technology Co., Ltd. was established in 2019 and is a wholly-owned subsidiary of Duolun Technology Co., Ltd. Based on traffic IoT perception, Beidou positioning, 5G communication, big data analysis, cloud services and mobile Internet, the company focuses on developing a series of smart city products, providing customers with products and overall solutions in various areas including smart traffic, smart security, smart transportation, and smart public security. The company has forged a complete industrial chain, covering from products to solutions, from cloud services to traffic, and from hardware infrastructure to customized development. On this basis, it has built an urban traffic information fusion processing center and a comprehensive traffic service management and control center, providing a service system featured by real-time traffic perception, deep resource integration, coordinated system operation, intelligent traffic guidance, and comprehensive information integration. The company has made it its mission to build comprehensive, multi-level, and intelligent industry service systems to promote the development of smart cities.