That's always an open question. Fascism does frequently collapse into other authoritarian regimes, too. But fascism itself will always fail.

It is a movement motivated by the petty grievances of cowards and fools, and the same hate and violence they project outward always turns inward at the end.

> What definition of fascism are you using?

https://en.wikipedia.org/wiki/Fascism

> Is China fascist?

What a strange and completely irrelevant question.

China is also fascist by the usual four measures (cult-like worship, hyper-nationalism, a merciless surveillance apparatus and the glorification of military strength), but that has nothing to do with fascism in the USA.