China were found during the war to be operating a number of covert operations not only against the West but many nations in the East too.
It appears they are not too happy about it:
https://www.theguardian.com/world/2023/jan/31/china-huawei-us-biden-national-security
If China supported Ukraine with military equipment to defend itself from Russia’s war surely that is the only hope for China ever being back at the table.
With the East and the West. To have a more balanced competition for the international market.