China will respond as necessary in the event of a trade war with the United States, Foreign Minister Wang Yi said on Thursday, while warning that such a war would only harm all sides.
U.S. President Donald Trump is expected to establish tariffs of 25 percent on imported steel and 10 percent on imported aluminum this week, but the White House has said there could be a 30-day exemption for Mexico and Canada and some other countries based on national security.