The US commerce secretary would be able to block imports of any technology deemed to pose a potential national security threat under sweeping new rules proposed by the Trump administration.
Reacting to concern that Chinese equipment could be used for spying, the US commerce department on Tuesday proposed to require the personal approval of the commerce secretary for transactions involving foreign technology.
The department said it had decided not to impose a blanket ban on Huawei and other Chinese companies, but that it wanted the commerce secretary to approve each transaction involving sensitive technology from another country.
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