What is Huawei? | CNBC Explains
Huawei is one of China's most successful global companies. Its technology is used in more than 170 countries, its smartphones rival Samsung and Apple for market share and it's one of the top corporate 5G developers. However some countries, including the United States, have expressed concerns that the Chinese government could use Huawei?s phones and equipment for spying. CNBC's Tom Chitty explains.