is this something you actually tried?
Of course all the other models from everywhere else in the world will also refuse to engage on various topics so the point is hardly limited to china.
Of course, yes, the models will provide propaganda-aligned responses to prompts that specifically mention certain political issues. I don't care for this behavior, but it's virtually never triggered in everyday use, and can be trained out if so desired.
The only study I’ve seen about that actually showed Chinese models to be less “propaganda-aligned” than the Western counterparts.