my ability to read simplified Chinese is not enough to dig those information from PRC government sites…
Edit: I found and added government sites to the post.
HK’s passport is a full, unrestricted PRC passport? They need to have 港澳台居民居住證 for full rights in mainland, right?
HK’s site is more foreigner friendly, though.
Application for Naturalisation as a Chinese National
Though, this seems to be hard to do for naturalized Taiwanese, unless they manage to retain or regain a foreign passport at the time of naturalization.
In which kind of cases, Mainland Travel Permit for Taiwan Residents is not enough?