Air China Limited, together with its subsidiaries, provides air passenger, air cargo, and airline-related services in Mainland China, Hong Kong, Macau, Taiwan, and internationally. It operates in Airline Operations and Other Operations segments. The company provides aircraft engineering and airport ground handling services. It is also involved in the import and export trading business; wholesale and import of aircraft parts; aircraft engine maintenance; aviation information technology consulting; and provision of cabin, airline catering, air ticketing and catering, human resources, aircraft overhaul and maintenance, and financial services. The company was founded in 1988 and is headquartered in Beijing, the People's Republic of China. Address: Building 1, Beijing, China, 101312