China has banned its leading tech firms from buying chips from Nvidia as the country ramps up domestic manufacturing.

The Financial Times reported that the country’s internet regulator, the Cyberspace Administration of China (CAC), told tech giants, including ByteDance, the owner of TikTok, and the e-commerce giant Alibaba, to end testing for an AI chip that the Santa Clara, California-based chip giant made explicitly for the Chinese market.

Nvidia CEO Jensen Huang said he was “disappointed” by the report.

“We will continue to be supportive of the Chinese government and Chinese companies as they wish,” he said at a news conference in London.

Several companies had indicated they would order tens of thousands of the RTX Pro 6000D chips and had started testing and verification work with N

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