We'll do more than hit your cities in return. Mariupol and Gaza will seem as Shanghai and Macau in comparison to what will happen to hostile cities.Be careful. Your enemies are ready to hit China's cities and especially the Three Gorges, after which China will be up to war.
Send just 1 shitty subsonic cruise missile towards the smallest village sewer dam on the mainland and you'll get to see what a cluster drone munition dropped into a busy street looks like. And then see it over and over again for as many times as the megafactories on the mainland can pump munitions out, or your aggressor country runs out of people to hit...
Israel should stay put and not abet US aggression in any shape or form. That way, they ensure the survival of their people. China can knock out Israel's power in a week with conventional air/artillery assets from Xinjiang.