China alleges that the tariffs are based on unfounded and false allegations, and are in excess of the U.S.’s bound rates in a tariff agreement from 1994.

Hong Kong authorities have urged the US to “rectify” the imposition of additional tariffs on the city’s goods, saying the new policy targeting Chinese exports ignored Hong Kong’s status as a separate customs territory.

China to file lawsuit at WTO over Trump’s trade tariffs Retaliatory tariffs against the US have come swiftly from Mexico and Canada, but China has chosen a different path by making its point at the World Trade Organization.