https://www.reuters.com/article/us-zte-ban/chinas-zte-corp-says-main-business-operations-have-ceased-due-to-u-s-ban-idUSKBN1IA1XF

ZTE Corp'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.