In August, Trump signed a bill that barred the USA government itself from using equipment from Huawei and another Chinese provider, ZTE Corp.
A decision will be made soon in the case for Huawei supplying telecom equipment in the UK.
Speaking about espionage concerns, Liang said Huawei was willing to sign a "no-spy agreement" with governments, including the United Kingdom.
Washington believes equipment made by Huawei Technologies Co Ltd, the world's third largest smartphone maker, could be used by the Chinese state to spy.
Huawei has also said it is independent from the Chinese government, but some countries have blocked it from their 5G networks on national security grounds.
Prime Minister Theresa May sacked her defence minister, Gavin Williamson, this month over leaked claims that Huawei would have a role in the 5G network, putting Britain at odds with its biggest intelligence ally, the United States.
The official, who was granted anonymity to discuss a sensitive issue, said on Tuesday night that the order was not meant to single out any country or company.
"There are no Chinese laws requiring companies to collect intelligence from a foreign government or implant back doors for the government".
The Rural Wireless Association, which represents carriers with fewer than 100,000 subscribers, estimated that 25 percent of its members had Huawei or ZTE equipment in their networks, it said in an FCC filing in December.
This is expected to include China's Huawei, given the USA has repeatedly claimed the company's kit could be used for spying on foreign countries by the Chinese state.
Liang, however, said economic factors should be part of the decision, and politics should be taken out of it.
The British government is in the middle of a furious debate over whether to let Huawei roll out its next-generation mobile service.
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