Tucker Carlson is not serious journalism - he's opinion at best and propaganda at worst. None of the above applies to him (as persuasively argued by Fox News itself).
Let me quote the WSJ linked above: >The venture—set up in 2017 after Mr. Biden left the vice presidency and before his presidential campaign—never received proposed funds from the Chinese company or completed any deals, according to people familiar with the matter. Corporate records reviewed by The Wall Street Journal show no role for Joe Biden.
Here's a detailed Q&A by NYT: https://www.nytimes.com/2020/10/25/us/politics/bidens-china....