On November 8, the 14th China International Aviation and Aerospace Expo kicked off, and COMAC made an appearance with C919 large passenger aircraft and ARJ21 medical aircraft. Seven leasing companies, including Bank of China Financial Leasing, ICBC Financial Leasing, CCB Financial Leasing, BOCOM Financial Leasing, Zhaoyin Financial Leasing, Puyin Financial Leasing and Suyin Financial Leasing, signed confirmation orders for 300 C919 aircraft and 30 ARJ21 aircraft with COMAC. As China's first jet trunk passenger aircraft developed in accordance with internationally accepted airworthiness standards and with independent intellectual property rights, C919 large passenger aircraft has 158-192 seats and a maximum range of 5555 kilometers. It was approved in 2007, flew for the first time in 2017, and won the model certificate issued by the Civil Aviation Administration of China in September 2022. (Liu Xinshe)