I don't want to totally downplay the incredible work the researchers are doing, but it's a long way off from any kind of actual treatments coming from this.
A lot of research is successful on mice that doesn't actually end up resulting in human treatments for any number of reasons. Even if it could be leveraged into a treatment for humans, we are looking at years and years of further trials and research. Not even mentioning the immense degree of complexity that scientists would be working with.
Still, the work done by China in all sectors, including biology and genetics, never ceases to impress. Even if an autism cure is not viable, the research could be extremely important for other things.
For sure, there's quite a ways to go from trials with mice to human trial. And very much agree that the progress China is making in all STEM areas is very impressive.
Also, to be clear, there's no accepted notion of 'autism for mice' (or any other non-human animal), even if describing animals as autistic can sometimes be arguably useful. So 'works in mice' is a phrase that does a lot of work here.