The company is a large central enterprise directly supervised by the State Council's State-owned Assets Administration Commission. It is a high-tech industrial group characterized by rail transit control technology, and the world's leading provider of rail transit control systems. China Express has a complete industrial chain of investment and financing, design and development, system integration, equipment manufacturing, engineering services, operation and maintenance, and is the central unit for equipment standards, technical standards and product standards for rail transit control systems in China. In recent years, China Connect has obtained grade A in the central enterprise business performance assessment for four consecutive years. It successfully landed on the Hong Kong Stock Exchange in 2015, and landed on the Shanghai Stock Exchange Science and Technology Innovation Board in 2019 as the first central enterprise and the first batch of A+H share companies. Currently, there are 14 important second-tier enterprises, with a total of more than 0.02 million employees. The company is deeply involved in the field of rail transit control systems, relies on outstanding scientific and technological innovation capabilities, and has many industry-leading core technologies. The company's main product design integration, equipment manufacturing, system delivery, etc. Corporate honors: The “Beijing-Shanghai High Speed Rail Project” won the National Science and Technology Progress Grand Prize, the “Qinghai-Tibet Railway Project” won the National Science and Technology Progress Grand Prize, and the “Complete Technology and Equipment for China Railway Acceleration Project” won the first prize of the National Science and Technology Progress Award.