China tightens control on more fentanyl precursors ahead of Xi-Trump meeting
China tightened its controls on the export of fentanyl precursors to the United States, Canada and Mexico, adding two new chemicals to its list requiring export licenses on Tuesday, one day ahead of President Xi Jinpingโs announced visit to the US. Chinaโs Ministry of Commerce, together with four other government agencies, added two N-phenethyl piperidine esters to part one of Chinaโs Catalogue for the Administration of Exports of Precursor Chemicals to Specific Countries (Regions), according to...