A lot of thyroid medicine is made there.
All High Blood Pressure (hypertension) medications are from China and Chinese ingredients, also
Pur military medications depend heavily on China...
https://www.moaa.org/content/publications-and-media/news-articles/2019-news-articles/Made-in-China—How-U-S—Dependence-on-Chinese-Medicines-and-Components-Could-Pose-a-Security-Threat/
https://amac.us/china-manufacturing-of-most-us-medicine-and-vitamins-poses-security-threat-researchers-say/