Nvidia chief executive Jensen Huang on Wednesday said he was disappointed by a report that Beijing has barred major Chinese tech companies from buying his company's world-leading chips, a crucial component in the generative AI revolution.

California-based Nvidia's specially designed chips have catapulted the company to become the world's biggest by market capitalisation, with China seen as a crucial market.

But geopolitical tensions between the United States and China have seen Nvidia caught up in relations between the superpowers.

Washington restricts Nvidia from exporting its most advanced products to China and last month confirmed the company would pay the US government 15 percent of revenue from certain AI chip sales in the country.

Beijing has responded by expressing national secu

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