https://www.cnbc.com/2018/05/09/chinas-zte-says-main-business-operations-have-ceased-due-to-us-ban.html >ZTE's main business operations have ceased due to a ban imposed by the U.S. government, but the Chinese firm is trying to have the ban modified or reversed, it said in exchange filings late on Wednesday. >ZTE last month was hit with a ban from Washington forbidding U.S. companies to supply it with components and technology after it was found to have violated U.S. export restrictions.