The first aircraft marketed by Comac is the ARJ21 regional jet, which was developed by China Aviation Industry Corporation I (AVIC I).

This was followed by the C919 narrow-body aircraft, which can seat up to 168 passengers and made its maiden flight in 2017,[5] entering into commercial service in March 2023.

[7] In January 2025, Comac was added to a United States Department of Defense list of companies that allegedly work with the PLA.

On 24 March 2011, Comac and the Canadian company Bombardier Inc. signed a framework agreement for a long-term strategic cooperation on commercial aircraft.

[20] In June 2011 Comac and Irish low-cost airline Ryanair signed an agreement to cooperate on the development of the C919, a 200-seat narrow-body commercial jet which will compete with the Boeing 737 and Airbus A320.