Its British media nonsense.
Note that it depends on the EU agreeing to very high duties on Chinese products into the EU.
Likely nonsense.
Items:
1) Euroclear is the bank holding the frozen Russian assets. They have repeatedly made a point of their vulnerability to Russian lawsuits already in place, but would worsen if the assets (or interest on them) are tapped. The response: if they file their lawsuit at The Hague, you will be in no danger. Rebuttal: We have branches in Hong Kong and Singapore. The lawsuits will be there.
2) The lines have been drawn Asia vs NATO/EU. The EU is in no position to confront China’s money with their own (though both entities have central banks that can create money).
3) One does wonder if any money in the Ukraine Victory Fund would still flow to Ukraine with a pro Russian government there.
Good point. They'll never do that.