The European Union is willing to work with the Trump administration on a deal that would lower tariffs for industrial goods and boost purchases of American exports like natural gas and soybeans, the bloc’s trade chief said.

Donald Trump’s tariffs are a headache for all his trade partners. But the U.S. president’s plan to impose ad hoc “reciprocal” levies on imports are a particular problem for the European Union. By enabling him to target whichever countries in the bloc he pleases,

European leaders said they would respond firmly to higher levies on steel and aluminum, but they had yet to say what that retaliation would look like.