特朗普称将对进口铜征收50%关税，中方回应

Core Viewpoint - The article discusses the announcement by Trump to impose a 50% tariff on copper, highlighting the ongoing trade tensions and the stance of the Chinese government against such measures [1]. Group 1 - Trump announced a 50% tariff on copper on July 9 [1] - The Chinese government, represented by spokesperson Mao Ning, expressed a clear opposition to the broadening of national security concepts and emphasized that trade wars have no winners [1] - The Chinese stance indicates that excessive tariffs do not align with the interests of any party involved [1]