Air China Limited, operating alongside its various subsidiaries, delivers a full spectrum of air travel services, including passenger transportation, air cargo, and diverse aviation-related offerings. Its extensive network covers Mainland China, Hong Kong, Macau, Taiwan, Europe, North America, Japan, Korea, the wider Asia Pacific region, and numerous international destinations. The company organizes its operations into two main segments: Airline Operations and Other Operations. Beyond core flight services, it also provides aircraft engineering and maintenance solutions, as well as essential airport ground handling. Its diverse business interests further extend to import and export trading, in-flight cabin services, airline catering, ticketing, human resources, comprehensive aircraft overhaul, and financial services. As of December 31, 2021, Air China's fleet consisted of 746 passenger aircraft, including business jets. Founded in 1988 and headquartered in Beijing, People's Republic of China, the company functions as a subsidiary of China National Aviation Holding Corporation Limited.