特朗普“夜袭”韩国！不到24小时，中国挥出重拳：113%关税

Group 1 - The U.S. imposed significant tariffs on South Korean products, including automobiles, pharmaceuticals, and timber, due to perceived non-compliance with previous agreements [1][3] - The trade agreement signed in 2025 required South Korea to invest $350 billion in the U.S. and purchase $100 billion worth of liquefied natural gas, which was seen as detrimental to South Korea's economy [3] - South Korea's strategy of balancing relations with both the U.S. and China has led to tensions, culminating in the recent tariff imposition by the U.S. [5] Group 2 - China's Ministry of Commerce announced anti-dumping duties on imported solar-grade polysilicon from the U.S. and South Korea, with tariffs on South Korean companies reaching as high as 113% for a duration of five years [7] - The historical context of the solar industry reveals that foreign companies previously manipulated polysilicon prices, leading to significant losses for Chinese firms, prompting the government to take action in 2014 [10][12] - Currently, China dominates the global polysilicon market with an 85% share, while South Korean companies are resorting to low-price dumping strategies, which have now been countered by the new tariffs [12]