美商务部长证实：3月12日起对进口钢铝征收25%关税

Core Viewpoint - The U.S. will implement a 25% tariff on all imported steel and aluminum starting March 12, as confirmed by U.S. Commerce Secretary Howard Lutnick [1] Group 1: Tariff Implementation - The 25% tariff on steel and aluminum imports is set to take effect on March 12 [1] - Tariffs on Canadian dairy and lumber products will begin on April 2 [1] Group 2: Government Relations - There may be emerging tensions between new cabinet members of the Trump administration and the head of the U.S. Department of Efficiency, Musk [1]