贝森特对中国喊话，美国有反制稀土秘诀，话音刚落俄罗斯伸出援手

Group 1 - The core issue highlighted is the vulnerability of China's high-end manufacturing, particularly in the aircraft engine sector, as evidenced by the reduction of the C919 delivery target from 75 to 25 units due to supply chain issues stemming from U.S. export restrictions on key components [2][3] - The U.S. Treasury Secretary's comments suggest that the U.S. could leverage aircraft engines and certain chemical products as bargaining chips in trade negotiations with China, indicating a strategic stance in the ongoing trade tensions [3] - There is a significant global interdependence in the aviation supply chain, where U.S. companies like Boeing and General Electric would be adversely affected by any export bans, suggesting that such actions could backfire on the U.S. [2][3] Group 2 - Russia has positioned itself as a potential alternative supplier for critical components for China's domestic aircraft, indicating a readiness to provide advanced materials and heavy engines, which could mitigate China's reliance on U.S. technology [4][6] - The strategic partnership between China and Russia in the aviation sector could lead to deeper technological collaboration, potentially resulting in competitive products that challenge U.S. technological dominance in the future [6] - The U.S. is experiencing increasing anxiety as China's technological capabilities grow, suggesting that traditional U.S. advantages may be eroding, and that threats may inadvertently accelerate China's innovation efforts [6]