中国管制稀土出口，针锋相对？外媒：美国禁止对华出口航空发动机

Group 1: Rare Earths and Strategic Resources - China has reiterated its control measures on rare earth exports amidst a global tariff war initiated by the US, highlighting the strategic importance of rare earth materials in various industries [1] - Rare earths are considered dual-use resources, essential for both civilian and military applications, making their regulation critical for national security [1] - China possesses the most comprehensive refining industry for rare earths, supplying the majority of these materials globally, which Western countries have long relied upon [1] Group 2: Impact on US Military and Technology - The F-35 fighter jet requires over 400 kilograms of rare earth materials per unit, making China's export control measures significantly impactful on US military capabilities [3] - The US has accused China of misusing export controls, while simultaneously imposing bans on a range of technology exports to China, including semiconductor-related products [3] Group 3: US Export Bans on Aviation Technology - The US plans to prohibit the export of commercial aircraft engines to China, which could significantly affect the production of Chinese aircraft like the C909 and C919, both of which utilize US technology [5] - The C909 and C919 aircraft are designed for international markets and rely heavily on international cooperation and foreign components [5][7] Group 4: China's Response and Future Developments - China has initiated a dual-track development strategy for aircraft engines, with the CJ-1000 engine already showing competitive technical specifications compared to imported engines [7] - Despite US sanctions, China is expected to continue advancing in the aviation sector and increasing its domestic production capabilities, similar to its progress in the semiconductor industry [9]