美日印澳四方关键矿产倡议启动，被指“针对中国”，专家：该合作面临诸多挑战

Group 1 - The core point of the article is the initiation of the "Quad Critical Minerals Initiative" by the US, Australia, India, and Japan to reduce dependence on China for critical mineral supply chains [1][3] - The initiative aims to enhance economic security and collective resilience through cooperation and diversification of supply chains [1][3] - Concerns over China's dominance in emerging technology resources and recent export controls on rare earths have prompted this collaboration [3][4] Group 2 - The feasibility of this cooperation faces challenges, including uncertainty about the mineral resource reserves and processing capabilities of the member countries [4] - Over 80% of global refining capacity is concentrated in China, which has developed a significant advantage in this industry over decades [4] - The article suggests that rather than investing heavily in new supply chains, it may be more effective to stabilize relations with China [4][5] Group 3 - The "Quad" initiative is seen as a signal of renewed US focus on the Indo-Pacific region and China, especially after distractions from other global issues [4] - Tensions among the Quad members are evident, with Japan postponing a scheduled meeting with the US, likely due to pressure to increase defense spending [5] - Structural contradictions exist alongside cooperation needs, indicating a complex interplay of interests among the Quad nations [5]