[Will88]

Shukor said China was leveraging the rivalry between Boeing and Airbus to get the best of both worlds in developing its own aircraft manufacturing.

And stealing all the technology possible from both until China will have built its own commercial airliner manufacturing industry. Then, no more need for Boeing and Airbus.

[Jimmy Valentine]

Problem is the Chinese are not very good at original design. They have to try to reverse engineer of steal technology. That makes for very questionable outcomes.