You really trust CCP? Russia and China have common enemy. US. No one else really matters to them because US is the only "West" superpower excluding India which is economically lagging quit a bit behind US and their competitor China.
This has nothing to do with trust; China would back Russia if it were in their interest, but it looks like they are hanging back, probably because it looks like it is blowing up in Russia's face.
That rhetoric makes me uneasy. Isn’t the US an enemy of China the choice of the US? My understanding is that until Trump overnight declaration of economic war and Biden continuing it China was maybe not an ally but a strong economic partner. Don’t tell me being authoritarian automatically makes it an enemy otherwise so would be Saudi Arabia with the Yemen situation being worse than anything in China.