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 also provides aircraft engineering and airport ground handling services. In addition, it is involved in the import and export trading business; and provision of cabin, airline catering, air ticketing, 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. Air China Limited is a subsidiary of China National Aviation Corporation Limited.