Founded in Beijing in 1952, it is the earliest and largest comprehensive class a consulting, survey and design unit established by the former Ministry of Posts and telecommunications. In 2006, it became a wholly-owned subsidiary of China Unicom. In the 69 years since its establishment, Zhongxun post and Telecommunications consulting and Design Institute Co., Ltd. has successively undertaken dozens of "China's first" communication high-tech engineering designs, and completed more than 50% of the consulting and design projects of China's communication backbone network. Its business capacity covers all disciplines in the communication field such as mobile network, broadband access, transmission network, backbone network, information system and infrastructure, and can be used as operators Government and enterprise customers provide end-to-end communication and information network solutions of the whole system, specialty and process, including technical research, consulting planning, scheme design, engineering construction and network optimization. Now, based on China Unicom, Zhongxun posts and Telecommunications consulting and Design Institute Co., Ltd. grasps new opportunities, continuously deepens development, actively arranges in many new technologies and new business fields such as big data, telecom cloud, Internet of things, network security, next generation network, smart city and artificial intelligence, and participates in relevant major network construction projects, Continue to contribute wisdom and strength to the innovative development of China's information and communication industry.