A model of C919 passenger jet by Commercial Aircraft Corp. of China Ltd. (COMAC) is on display at the Aviation Expo China in Beijing in this file photo. The C919 large passenger aircraft has received 30 new orders from a domestic leasing company, taking total orders to 815. COMAC signed a purchase agreement with China Huarong Financial Leasing Co. for 30 C919 and 20 ARJ21 yesterday in Beijing.SD-Agencies