Quality standards in Chinese manaufacturing are not to the exacting standards they need to be to manufacture Airframes. Given time they will be, but even then it will be some time before travelers, air carriers, and insurance companies grow accustomed to the idea that Chinese labor and engineering can produce reliable airframes.
I would also say that by that time (20 or 30 years) Chinese prices will have found equillibrium with western pricing for like products. IOW Chinese labor and manufacturing will enjoy a higher wage and standard of living.
Nope. There are far too many Chinese, and the government there will tamp down any unionism that threatens to stop the import of manufacturing into China. One group of workers starts agitating for more (things like a day off, or 15 hour workdays, or permission to attend family funerals...things like that), and they are tossed out and more peasants imported.
Quality control is a matter of coupling Western management oversight with the whip of Communist supervisors.
The Chinese manufacture warplanes which work just fine. If Airbus or Boeing needs greater quality control, they can always send over American or French inspectors and pay them a premium. The world is full of willing expats.