<p>➀ China's Cyberspace Administration instructs domestic tech companies to avoid purchasing Nvidia's H20 GPUs and RTX Pro 6000D AI chips, restricted under U.S. export rules; </p><p>➁ Despite this, China still seeks Nvidia's high-end chips, but its officials are angered by U.S. Commerce Secretary Howard Lutnick's remarks about selling only lower-tier chips to China; </p><p>➂ Nvidia CEO Jensen Huang expressed disappointment in U.S.-China tensions and emphasized the strategic importance of maintaining U.S. chip technology as the global standard.</p>