China had long questioned why the US would expect cooperation in the battle against fentanyl when the US government had placed restrictions on the institute.
Last year the US reported 110,000 overdose deaths from synthetic drugs, with more than two-thirds linked to fentanyl, a potent opioid.
Fentanyl is up to 50 times stronger than heroin and is increasingly mixed with other illicit drugs, often with lethal results.
The US Drug Enforcement Administration (DEA) has said that fentanyl largely comes to the US from China, through drug cartels in Mexico.
Authorities say fentanyl can be created and distributed more easily than plant-based illicit drugs, which required large-scale enterprises to cultivate and market.
Last month, it also announced sanctions and indictments against at least 14 Chinese and Canadian firms for importing the fentanyl.
Being able to make sure our militaries still have contact with one another,” Biden told reporters at the White House. »
