https://www.reuters.com/article/us-usa-trade-china-zte/chinas-zte-apologizes-after-paying-disastrous-price-in-u-s-sanction-case-idUSKCN1J40PR >The chairman of ZTE Corp apologized to staff and customers on Friday after the Chinese technology firm agreed to pay a $1 billion fine to the United States to end a supplier ban that has crippled its business.