China will begin restricting the production and sale of chemicals used to make fentanyl in the coming weeks, a move that the Biden administration has requested for several years and will begin to see come to fruition ahead of the November election.

Following 2 1/2 years of diplomatic talks and urging from U.S. officials to stifle the flow of fentanyl precursors used to make the most lethal U.S.-consumed drug being sent to Mexico, China has agreed to crack down on the ingredients at the start of September.