Earlier quoted context omitted.
Not so sure about that market part... its 160 million of mostly poor folks who are becoming massively more poor as we write here. That's not so lucrative market compared to ie Europe with 500+ million wealthier citizens. But yeah Chinese cheap stuff will not have much competition.
China can trade with Russia as much as it wants. Ukraine might sanction them, but no one else is going to cut off China.
While the West cannot "cut off" China as too much manufacturing has moved there, supporting Russia in this already has an impact on the reception of Chinese brands in the West. Perhaps less so in the US, but so far Chinese brands are quite popular in the EU. This could change quickly. Also this encourages to reduce the dependencies on China.