4天过去了，中美还是没签协议，美财长告知中国，美国打算提高关税

Core Viewpoint - The recent U.S.-China meeting in Busan appeared positive, but shortly after, U.S. Treasury Secretary Mnuchin announced plans to increase tariffs on China, indicating underlying tensions and urgency from the U.S. side due to China's rare earth export controls [1][5]. Group 1: U.S. Strategy and Actions - The U.S. is attempting to balance its need for China's rare earth materials, crucial for high-tech military applications, while simultaneously pressuring China through tariff threats [1][3]. - The U.S. aims to form alliances with other countries for rare earth mining and refining to reduce dependence on China, but faces significant challenges in achieving this goal [8]. - The U.S. is also engaging with South Korea to enhance military capabilities, including nuclear submarines, which is seen as a direct counter to China [3][8]. Group 2: China’s Response and Position - China maintains a firm stance on its diplomatic principles of mutual respect and peaceful coexistence, indicating that it will not be easily intimidated by U.S. threats [9][11]. - The lack of a signed agreement post-Busan suggests that while there may be some areas of cooperation, significant negotiation and strategic maneuvering are still required [11][12]. - China's ability to leverage its rare earth resources in response to U.S. actions highlights the potential for a tit-for-tat dynamic in the ongoing trade tensions [11].