Fentanyl Production in a Chinese Factory

At Yichang Humanwell Pharmaceutical in China, the largest producer of fentanyl in Asia, the automated production of this opioid is closely monitored and claimed to be solely for hospital use, with no exports to the U.S., Mexico, or Canada. As U.S.-China tensions rise over fentanyl’s role in the opioid crisis, both nations blame each other, despite China asserting its stringent drug regulations.