Huawei's HiSilicon says it has long been preparing for U.S. ban scenario

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Huawei Technologies' chip arm HiSilicon said on Friday it has long been prepared for the "extreme scenario" that it could be banned from purchasing U.S. chips and technology, and is able to ensure steady supply of most products. HiSilicon, which mainly designs chips for Huawei equipment, made the comments in a letter to staff attributed to President He Tingbo dated "the small hours of May 17", shortly after the United States officially banned Huawei from buying U.S. technology without special approval. HiSilicon has been secretly developing back-up products for years in anticipation of the unlikely scenario that Huawei may one day be unable to obtain advanced chips and technology from the United States, He said in the letter.