China Development Bank Leasing, ICBC Leasing, CMB Financial Leasing, BOCOM Leasing, CCB Financial Leasing, SPDB Financial Leasing and Jiangsu Financial Leasing on Tuesday signed orders for a combined 300 C919s and 30 ARJ21s at Airshow China in the southern city of Zhuhai, COMAC said in a statement on Wednesday.
As with previous announcements, it was not immediately clear how many were firm orders or expressions of interest, and no delivery dates were provided.
Before the latest deals, there had been 815 orders for the C919 from 28 customers, according to COMAC's website.
COMAC said on Tuesday that China would need 9,284 new aircraft over the next 20 years to meet market demand, 200 more than in its forecast last year.
The U.S manufacturer forecast China would need 6,370 single-aisle airplanes to support its growing network of international and domestic routes in that time, while COMAC said that 6,896 such planes would be needed.