China Electronics Information Industry Group Co., Ltd. (hereinafter referred to as "CEC") is an important state-owned backbone enterprise directly managed by the central government. It is a central enterprise focusing on network security and informatization. It is a Chinese enterprise with the key core technologies of computer CPU and operating system. Adhering to the corporate mission and development concept of "building a network power and linking a happy world", CEC has successfully broken through key core technologies such as high-end general chips and operating systems, built a safe, advanced and green "PKS" independent computing system compatible with mobile ecology and comparable to the international mainstream architecture, and the most dynamic and vibrant application ecology and industry community, and is accelerating the building of the core strength and organization platform of the national Internet information industry. By the end of 2021, CEC had 27 tier-2 enterprises, 17 Listed Companies and more than 190000 employees, realized an annual operating revenue of 271.01 billion yuan, and ranked among the Fortune Global 500 for 11 consecutive years.