On February 14, 2012 afternoon, the commercial aircraft corporation of China (comac) C919 large passenger plane in the Singapore airshow 2012 projects with Germany liebherr and avic aircraft landing gear limited liability company to sign contract of landing gear system, with liebherr company signed a contract management system, air and American Moog (Moog INC.) The contract signed by high lift system. This suggests that the C919 large passenger aircraft project engineering development stage work is in full swing.

　　Comac's chairman of the board of directors of the company welcome, deputy general manager and chief designer Wu Guanghui C919 large passenger plane; Liebherr company President, Francis. Nice (Francis Niss) agents, vice President Nicholas (Nicolas Bonleux); Moog President warren. Craig Johnson, Warren Johnson), vice President (Crag Sando); China aviation industry group co., LTD. (hereinafter referred to as "avic) officials attended the contract signing ceremony.

　　According to the contract, liebherr company become the C919 aircraft landing gear system and air management systems suppliers, avic aircraft landing gear limited liability company as liebherr Chinese partners to participate in the C919 aircraft landing gear system development; Moog has become the C919 aircraft high lift system suppliers, avic QingAn group co., LTD. As a moog Chinese partners to participate in the C919 aircraft high lift system is developed.

This is C919 large passenger aircraft project formally signed contracts airborne 3-5. In June and October 2011, comac companies in France and the United States and CFM international, inc., honeywell aerospace group formally signed the C919 large passenger aircraft project integrated propulsion system and the auxiliary power system procurement contracts. According to the plan, comac will be completed in the first half of this year all 33 main airborne systems work the signing of the contract work.

　　Purchase contracts signed airborne system, fully to carry out the detailed design and manufacture of aircraft airborne systems is the C919 large passenger aircraft project is one of the important tasks of project development stage. At present, the project has full access to engineering development stage, the plane in chengdu and other machine parts have to start manufacturing. Aircraft airborne successively signed contract means that the joint definition for more than two years work basically complete, detailed design and manufacture of aircraft airborne systems work, for the first flight in 2014 to provide solid support and guarantee.

　　On the C919 large passenger aircraft project developing, comac adhere to national strength, the global think tank, a national, and global resources as a whole aircraft safety, economy, comfort, environmental protection, and drive the construction of system of civil aircraft industry in China. For this purpose, the company through the market mechanism to choose nine domestic enterprises as the C919 supplier body structure, 51 companies as a potential supplier standard, 16 companies as material suppliers, more than 200 enterprises, a total of 22 provinces and cities throughout the country more than 20 colleges and universities are involved in the large aircraft project development. Preferred choose 17 international aviation manufacturing enterprises as the C919 large passenger aircraft airborne systems suppliers, with the international aviation manufacturing enterprises in many areas to carry out the cooperation and communication. "With comac as the core, combined with avic, radiation throughout the country, facing the global" civil aircraft industry system has basically formed.