the difference is in Taiwan's case america would be directly involved and have already committed to this, it is likely Japan would also and some other countries are likely to contribute to. china wouldn't have a hope
It:s a shame because supplying that gear to Ukraine would have helped China's reputation on the international stage and bolstered trade. It would have not been well received by the Kremlin but a losing army can't invade anyone else.
People are going on AliExpress and buying stuff. This is neither new nor illegal. Chinese companies live in a capitalist market just like everyone else.
China and Russia are working together to overthrow the relatively democratic, rules-based US-Euro hegemony. That's why they announced their super duper special forever friendship shortly before Putin started his latest genocidal land grab.