That's not permanent residentship though, is it?
Of note here, it is possible:
https://www.travelchinaguide.com/embassy/visa/refusal.htm
It would come down to having a stable working job in china for an extended period.
That being said, your reply seems a bit "binary": https://news.ycombinator.com/item?id=15016955
I don't seem to be completely wrong according to your comment here? The green card doesn't seem impossible, but I won't exactly claim to be an immigration lawyer.