Public institutions. According to the website of Air Traffic Management Bureau of Civil Aviation Administration of China, Northwest Air Traffic Management Bureau of Civil Aviation is a self-supporting institution under the Air Traffic Management Bureau of Civil Aviation Administration. It is located in Xi, Shaanxi Province, and has five directly affiliated units: transportation management center, air traffic management center, logistics center, network center and engineering headquarters. Office, War Development Department, Human Resources Department, Finance Department, Planning and Construction Department, Safety Management Department, Air Traffic Control Department, Comprehensive Guidance Department, Meteorological Department, Party Office, Commission for Discipline Inspection, Trade Union Office, Youth League Committee, Retirement Department, etc. 14 government departments, with three air traffic control sub-bureaus in Gansu, Ningxia and Qinghai. Their main task is to implement the national air traffic control policies, laws and regulations and the decisions of the Civil Aviation Administration. Implement the allocation of resources such as flight time and airspace capacity within the jurisdiction; Providing civil aviation air traffic control, navigation information, communication, navigation monitoring and aviation meteorological services; Responsible for the air traffic control guarantee of local special planes, important flight activities and civil aircraft search and rescue; Implement local civil aviation air traffic control engineering construction projects according to authorization; Responsible for the administration, planning and investment, human resources, finance and party-mass work of subordinate units.