EU, China vow to uphold Iran nuclear deal

European Union foreign policy chief Federica Mogherini, right, prepares to shake hands with China's Foreign Minister Wang Yi prior to a meeting at EU headquarters in Brussels, Friday, June 1, 2018. (AP Photo/Virginia Mayo)
European Commission President Jean-Claude Juncker, left, prepares to shake hands with China's Foreign Minister Wang Yi prior to a meeting at EU headquarters in Brussels, Friday, June 1, 2018. The European Union and China say they will deepen ties on trade and investment and that they fully support global trade rules, after U.S. President Donald slapped tariffs on steel and aluminum imports. (AP Photo/Virginia Mayo)
European Commission President Jean-Claude Juncker, left, prepares to shake hands with China's Foreign Minister Wang Yi prior to a meeting at EU headquarters in Brussels, Friday, June 1, 2018. The European Union and China say they will deepen ties on trade and investment and that they fully support global trade rules, after U.S. President Donald slapped tariffs on steel and aluminum imports. (AP Photo/Virginia Mayo)
European Commission President Jean-Claude Juncker, right, speaks with China's Foreign Minister Wang Yi during a meeting at EU headquarters in Brussels, Friday, June 1, 2018. The European Union and China say they will deepen ties on trade and investment and that they fully support global trade rules, after U.S. President Donald slapped tariffs on steel and aluminum imports. (AP Photo/Virginia Mayo)
European Commission President Jean-Claude Juncker, right, speaks with China's Foreign Minister Wang Yi prior to a meeting at EU headquarters in Brussels, Friday, June 1, 2018. The European Union and China say they will deepen ties on trade and investment and that they fully support global trade rules, after U.S. President Donald slapped tariffs on steel and aluminum imports. (AP Photo/Virginia Mayo)

EU, China vow to uphold Iran nuclear deal

European Union foreign policy chief Federica Mogherini, right, prepares to shake hands with China's Foreign Minister Wang Yi prior to a meeting at EU headquarters in Brussels, Friday, June 1, 2018. (AP Photo/Virginia Mayo)
European Commission President Jean-Claude Juncker, left, prepares to shake hands with China's Foreign Minister Wang Yi prior to a meeting at EU headquarters in Brussels, Friday, June 1, 2018. The European Union and China say they will deepen ties on trade and investment and that they fully support global trade rules, after U.S. President Donald slapped tariffs on steel and aluminum imports. (AP Photo/Virginia Mayo)
European Commission President Jean-Claude Juncker, left, prepares to shake hands with China's Foreign Minister Wang Yi prior to a meeting at EU headquarters in Brussels, Friday, June 1, 2018. The European Union and China say they will deepen ties on trade and investment and that they fully support global trade rules, after U.S. President Donald slapped tariffs on steel and aluminum imports. (AP Photo/Virginia Mayo)
European Commission President Jean-Claude Juncker, right, speaks with China's Foreign Minister Wang Yi during a meeting at EU headquarters in Brussels, Friday, June 1, 2018. The European Union and China say they will deepen ties on trade and investment and that they fully support global trade rules, after U.S. President Donald slapped tariffs on steel and aluminum imports. (AP Photo/Virginia Mayo)
European Commission President Jean-Claude Juncker, right, speaks with China's Foreign Minister Wang Yi prior to a meeting at EU headquarters in Brussels, Friday, June 1, 2018. The European Union and China say they will deepen ties on trade and investment and that they fully support global trade rules, after U.S. President Donald slapped tariffs on steel and aluminum imports. (AP Photo/Virginia Mayo)