Foxconn is Taiwanese, if you think they care about their 'domestic buddies' you'll be sorely mistaken. Even if it were mainland Chinese they'd not give a damn about China's domestic industry over making stupendous amounts of money from Apple.
You don't have to like it, but the answer is: the same country that now owns Hong Kong.
Foxconn is a Chinese company. It's why they're given special privileges that no foreign company can ever get, when it comes to everything from trade protections to labor regulations.