I live in Asia and have seen pro-chinese propaganda being repeated by some people, mass influence by nation states is a real thing

People repeat propaganda when it appeals to them, but any marketer can tell you customers are fickle.

Are those owned by China?

Why does the source matter to you?

Because the mass manipulation tool is owned by a foreign adversary with a vested interest in manipulating the US to weaken it on the international stage, so that it can establish a new global hegemony.

A more interesting question; why doesn't the source matter to you?