China accuses US of damaging global trade with sanctions on Huawei

US says Huawei is a security risk, which the company denies, and are lobbying European and other allies to avoid its technology

China accused Washington of damaging global trade with sanctions that threaten to cripple tech giant Huawei and said Tuesday it will protect Chinese companies but gave no indication of possible retaliation.

Rules confirmed Monday by the Commerce Department block suppliers from using US technology to produce processor chips and other components for Huawei.

The company, China's first global tech competitor, is the biggest supplier of switching equipment for phone companies and a leading smartphone brand.

The foreign ministry demanded the Trump administration stop suppressing Chinese companies. Huawei Technologies Ltd is at the center of a worsening row between Washington and