It followed threats by Trump to levy import taxes of 25% on Mexico and Canada, accusing them of allowing undocumented migrants and drugs to come into America. Though he did not mention the US by name, the Vice Premier of China on Tuesday said his country was looking for a "win-win" solution to trade tensions and wanted to expand its imports.

Mexican drug gangs are a driving force behind the U.S. fentanyl crisis and Trump vowed to crack down on cartels during his successful presidential campaign.