China doesn't need Tiktok for opium. They have the real thing as well.

https://www.brookings.edu/articles/the-fentanyl-pipeline-and...

The fentanyl pipeline is what came to my mind as well; another thing exported from China to the US to disastrous effect on the well-being of many Americans.

To be fair, trying to consider the other way around, I wonder what Chinese people could point to as disastrous stuff (in terms of the well-being of their population) coming from the US.