China's telecom-equipment giant Huawei Technologies Co. said Monday its revenue for 2021 plunged 28.6 percent from a year earlier against a backdrop of the export-control measures imposed by the United States on security grounds.Huawei reported annual revenue of 636.8 billion yuan ($99.9 billion) with its smartphone business turning sluggish, and a net profit fall of 75.9 percent to 113.7 billion yuan.Before the United States began to slap sanctions on Huawei, alleging it engaged in spying activities in conspiracy with the Communist-led Chinese government, the major smartphone maker was reg…READ FULL ARTICLE