American companies have been crucial in helping Huawei Technologies Co. become the world’s dominant telecommunications player.
Silicon Valley giants from Intel Corp. to Broadcom Inc. and Qualcomm Inc. are top suppliers of Huawei, which buys their components to make equipment such as base stations and routers and Huawei mobile phones. By one estimate, Huawei will buy up to $10 billion of components from American companies this year—roughly the value of China’s automobile imports from the U.S.
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