美国放行英伟达对华出口H200芯片，外交部回应

Group 1 - The U.S. government has approved the export of H200 AI chips to China by Nvidia, but with conditions including a 25% revenue share to the U.S. government [1] - The U.S. Department of Commerce is revising its export licensing review policy for certain semiconductors to China, shifting from a presumption of denial to case-by-case reviews [1] - Restrictions include limiting the quantity of chips that Chinese customers can acquire to 50% of what U.S. customers purchase, and requiring third-party testing in the U.S. to confirm AI capabilities [1] Group 2 - Chinese companies are actively working on developing domestic AI chips to replace Nvidia's market share, with significant investments from major tech firms like Huawei, Alibaba, Tencent, Baidu, and ByteDance [2] - Huawei has announced a three-year product iteration roadmap for its Ascend AI chips, indicating a strategic focus on enhancing domestic chip capabilities [2] - The Chinese government advocates for cooperation between the U.S. and China to achieve mutual benefits in the context of AI chip exports [2]