President Joe Biden meets with National Security Adviser Jake Sullivan aboard Air Force One, Monday, March 13, 2023, en route to North Island Naval Air Station in San Diego, California. (Official White House Photo by Adam Schultz)

Joe Biden’s National Security Advisor Jake Sullivan has raised the alarm over the unveiling of new chip technology by China’s smartphone manufacturer, Huawei. Bloomberg’s Jenny Leonard, Michelle Jamrisko, and Debby Wu report:

The US is working to establish the full details ofย Huawei Technologies Co.โ€™s advances in chip technology, news of which has stoked Chinese nationalism and ignited speculation about the effectiveness of Washingtonโ€™s curbs on the countryโ€™s vast technology sector.

US National Security Advisorย Jake Sullivanย said on Tuesday the government wanted to know the precise composition of the processor in Huaweiโ€™s Mate 60 Pro, which aย teardownย conducted for Bloomberg News revealed was just a few years behind the current generation and made by US-blacklistedย Semiconductor Manufacturing International Corp.

Sullivan broke Washingtonโ€™s silence after Huawei abruptly released its handset without fanfare last week while Commerce Secretaryย Gina Raimondoย visited China. State-backed Chinese media on Wednesday again called the revelation a breakthrough in efforts to reduce reliance on American technology. The Economic Daily said itย embodiedย โ€œChinaย Essenceโ€ โ€” a play on the very similar words for โ€œchipโ€ and โ€œheart.โ€

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