Well I wouldn't exactly use the name of a political party as evidence for whether or not they actually follow that ideology... There are plenty of examples for the fact that the name is not the deciding factor but what they actually do. And, considering the definition of communism, it is kinda weird to consider China communist just because that's the name the leading party gave themselves.

I just think that "Authoritarian Regime" or similar isn't something a party would call itself.