Air China Limited, in conjunction with its various subsidiary companies, offers a comprehensive range of air travel and aviation-related solutions. Its primary activities encompass both commercial passenger flights and air cargo transportation, with its operational footprint spanning mainland China, Hong Kong, Macau, Taiwan, Europe, North America, Japan, Korea, the broader Asia Pacific region, and numerous other international locations. The company organizes its business into two main segments: 'Airline Operations,' which focuses on its core flight services, and 'Other Operations,' covering its diverse auxiliary functions. These additional services include essential aircraft engineering and maintenance, as well as airport ground handling. Beyond this, Air China is also involved in import and export trade, cabin services, in-flight catering, air ticketing, human resources management, aircraft overhaul, and various financial services. By the close of 2021, Air China Limited possessed and managed a fleet of 746 passenger aircraft, including its business jet contingent. The company was established in 1988, is headquartered in Beijing, People's Republic of China, and operates as a subsidiary of China National Aviation Holding Corporation Limited.