Seven ARJ21 jet aircraft and two C919 large passenger jets developed by the Commercial Aircraft Corporation of China, Ltd. sit on display from Monday evening to Tuesday at the Diwopu International Airport in Urumqi, northwest China's Xinjiang Uyghur Autonomous Region, after the domestically-produced commercial aircraft successfully concluded demonstration flights in Xinjiang. 　

Among the seven ARJ21 aircraft, the corporate aircraft, hospital plane, cargo aircraft and emergency rescue command aircraft made their debuts, marking the steady progress of the jetliners' large-scale operation and serial development.