From what I gather, the C919 in its current form is not a real threat to Airbus and Boeing - its fuel economy is in line with the previous generation of 737 and

From what I gather, the C919 in its current form is not a real threat to Airbus and Boeing - its fuel economy is in line with the previous generation of 737 and A320, and it's not really cheaper to buy either. If you look at the orders for the C919, they're mostly from China or from companies with strong ties to China ("GallopAir is a start-up airline in Brunei owned by Chinese businessman Yang Qiang")...