Administration files unfair-trade case against China, reflects economic tensions with Beijing

WASHINGTON — Long-simmering economic tensions between the U.S. and China boiled over Tuesday as the Obama administration filed its first unfair-trade case against Beijing, accusing it of restricting exports of materials needed to produce steel, aluminum and other products.

US files WTO case against China over export restraints on materials used in steel, chemicals

WASHINGTON — The Obama administration on Tuesday filed its first unfair trade case against China before the World Trade Organization, accusing the Asian power of restricting exports of key raw materials needed for the production of steel, aluminum and other products.