An electric taxi makes a U-turn in front of a Huawei office building in Shenzhen in south China's Guangdong province, Friday, March 29, 2019. Chinese tech giant Huawei said its 2018 sales surged above $100 billion, though sales of network equipment were flat amid U.S. warnings to other governments that its telecom technology is a security risk. (AP Photo/Dake Kang)