[kwere]

its most likely export only and covertly endorsed by the state as a "payback for opium" (it's a big argument apologists make)

[itsthecourier]

It is. Check propublica report on fentanyl

https://www.propublica.org/article/china-cartels-xizhi-li-mo...

And

https://www.propublica.org/article/chinese-organized-crime-u...