https://finance.yahoo.com/news/chinas-zte-seeks-resolution-u-111645599.html > U.S. authorities last week banned American companies from sales to ZTE for seven years, saying the Chinese company had broken a settlement agreement with repeated false statements - a move that threatens to cut off ZTE's supply chain. > The action was sparked by ZTE's violation of an agreement that was reached after it was caught illegally shipping U.S. goods to Iran.