US Seeks Details on Made-in-China Huawei Chip as Debate Grows

The US is working to establish the full details of Huawei Technologies Co.’s advances in chip technology, news of which has stoked Chinese nationalism and ignited speculation about the effectiveness of Washington’s curbs on the country’s vast technology sector.

US National Security Advisor Jake Sullivan said on Tuesday the government wanted to know the precise composition of the processor in Huawei’s Mate 60 Pro, which a teardown conducted for Bloomberg News revealed was just a few years behind the current generation and made by US-blacklisted Semiconductor Manufacturing International Corp.

The Huawei Mate 60 Pro.

Photographer: Justin Chin/Bloomberg

Sullivan broke Washington’s silence after Huawei abruptly released ...