Allies are under U.S. pressure to shun Huawei. But the company's prevalence in existing telecom networks and dominance in 5G technology make that nearly impossible. Illustration: Crystal TaiA U.S. clampdown on exports to Huawei Technologies Co. threatens to disrupt the Chinese company’s access to critical suppliers across its businesses, from smartphones to 5G equipment—and Silicon Valley could share in the pain. Huawei, the world’s leading telecommunications-gear supplier and No. 2 smartphone seller, relies heavily on the U.S. for many advanced components, including both semiconductors and software.

Source: Wall Street Journal May 16, 2019 15:52 UTC