https://www.reuters.com/article/us-huawei-tech-usa-china-response/china-says-lodged-solemn-representations-with-u-s-over-huawei-idUSKCN1ST0PR >China said on Thursday it had lodged solemn representations with the United States after it blocked Chinese telecoms equipment maker Huawei from buying U.S. goods, a major escalation in the trade war between the two countries.