https://www.politifact.com/factchecks/2020/mar/02/donald-tru...
https://www.nytimes.com/2020/10/20/us/trump-taxes-china.html
https://www.politico.com/news/2020/04/24/trump-biden-china-d...
This sure sounds like selling out to me.
Edit: Remove sarcastic sounding text.
Edit 2: Remove more sarcastic sounding text and add more sources.