Beijing voiced strong dissatisfaction today after the United States hit Chinese companies with sanctions for buying Iranian oil. China's Foreign Ministry spokesman Geng Shuang said, despite the legitimate rights and interests of all parties, the US wielded a wanton stick of sanctions, which is a gross violation of the basic norms of international relations.<br />'' <br />''Earlier, the Trump administration blacklisted several Chinese companies including units of a state giant for allegedly shipping Iranian oil in violation of U.S. sanctions, attempting to cut off the last vestiges of Iran's crude exports. <br />''<br />''<span style="color: #222222;">The move hit state-owned companies that collectively represent some of the biggest movers of oil and petroleum products in the world. </span><br />