ss to US suppliers “will do significant economic harm to the US companies” and affect “tens of thousands of US jobs”. In total, US firm

s sold an estimated $11 billion worth of components to Huawei last year, according to earlier media reports.

“I’m not able to tell you exactly what the costs will be; it differs from company to company,” said Allen.

“But clearly, from a corporate perspective, this Department

of Commerce action has created costs and has escalated the uncertainty quite a bit.”

Asked to comment on some voices in the US calling for the “decoupling” of the two countries, especially in the technology sect

or, Allen said both sides should pursue a playing field of “smart competition and engagement”, in which the

y play by a “common set of rules” that are mainly set by World Trade Organization obligations.

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