Air China Limited is a China-based company principally engaged in the provision of air passenger transportation, freight transportation, postal transportation and maintenance services in Mainland China, Hong Kong, Macau and foreign regions. The Company operates its businesses through two segments. Airline Operations segment mainly comprises the provision of air passenger and air cargo services. Other Operations segment comprises the provision of aircraft engineering and other airline-related services. The Company provides a range of flight experiences, including meals, entertainment, in-flight health care equipment, cabin service and duty-free products, as well as a variety of products and services such as preferred seat, extra baggage, lounge reservation, ground + air transportation, transit accommodation, in-flight meals, transit lounge, insurance, airport parking, overseas internet access and home delivery of luggage.