Capital Airports Holdings Co.,Ltd.(CAH), a subsidiary of the Civil Aviation Administration of China (CAAC), is a large-scale state-owned enterprise that is inter-regional and centrally managed, with the airport industry as its core business. Based on the former Beijing Capital Airport Group Corporation, it was formally established on December 28, 2002, in conjunction with Beijing Capital International Airport Co., Ltd. (BCIA), Tianjin Binhai International Airport, China Civil Aviation Airport Construction Corporation, Jinfei Civil Aviation Economic Development Center and Civil Aviation Engineering Consulting Company of China. It manages 53 trunk and branch airports in seven provinces, municipalities, and autonomous regions, including Beijing, Tianjin, Hebei, Jiangxi, Jilin, Inner Mongolia, and Heilongjiang, forming a business layout of coordinated development of airport operation, airport security, airport commerce, and airport ecology. In 2019, the passenger, cargo, and mail throughputs and aircraft take-off and landing sorties of the airports affiliated with CAH reached 224 million, 2.678 million tons, and 1.559 million, respectively. In 2021, the production and operation of the whole group were stable and orderly, with the annual passenger, cargo, and mail throughputs and transportation sorties reaching 140 million, 2.265 million tons, and 1.215 million, respectively.