The United States has effectively banned the Chinese company Huawei from building next-generation, or 5G, mobile communications networks in the country. U.S. officials say Huawei will give information it collects to the Chinese government. They are warning other countries that the company is a national security risk. U.S. officials have also put rules in place for American companies that export products to Huawei. International technology companies are worried about the effects of these moves on the technology industry. In Beijing, a Chinese Commerce Ministry official said, “China will take all necessary measures” to ensure the rights of Chinese companies. Spokesman Gao Feng the United States should avoid actions that may hurt trade talks with China. The two countries are having a trade war that is partly about a struggle for international economic and technological power.