https://www.reuters.com/article/us-usa-china-huawei-tech-exclusive/exclusive-trump-expected-to-sign-order-paving-way-for-u-s-telecoms-ban-on-huawei-idUSKCN1SK2P1 >President Donald Trump is expected to sign an executive order this week barring U.S. companies from using telecommunications equipment made by firms posing a national security risk, paving the way for a ban on doing business with China's Huawei, three U.S. officials familiar with the plan told Reuters.