China pledged Friday to take "effective" retaliatory measures against a move by U.S. President Donald Trump to impose tariffs on steel and aluminum imports, saying the country "resolutely opposed" the trade restrictions.The U.S. tariffs "will unnecessarily break the multilateral trade system and absolutely deal a serious blow to normal international trade order," Wang Hejun, a senior official of the Commerce Ministry, said in a statement."We will protect our legitimate interests" by implementing retaliatory steps, Wang added.Trump announced on Thursday the imposition of 25 percent tariffs o…READ FULL ARTICLE