In a surprising reversal of the United States’ years-long technology restrictions on China, President Donald Trump last month allowed Nvidia to resume sales of a key AI chip designed specifically for the Chinese market.

Yet rather than celebrating, Beijing’s response has been noticeably lukewarm, despite having long urged Washington to ease the stringent export controls. In the weeks since the policy U-turn, Beijing has called the chip a security risk , summoned Nvidia for explanations and discouraged its companies from using it.

The less-than-welcoming sentiment reflects Beijing’s drive to build a self-sufficient semiconductor supply chain – and its confidence in the progress its rapidly advancing chip industry has made.

But the cold shoulder may also represent some political postu

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