Japan's largest operator, said Wednesday it stopped taking pre-orders for Huawei's new P30 handset, while its rival KDDI Corp. said it would indefinitely delay introduction of the phone, without elaborating.
An order from President Trump last week effectively banned technology firms from "foreign adversaries" trading with U.S. companies without approval.
The Trump administration softened its stance slightly this week by granting the firm a license to buy USA goods until August 19 to minimize disruption for customers.
Intel, Qualcomm, and other chipmakers are yet to comment on the issue of the Huawei ban.
Wang warned that Beijing was ready to "fight to the very end" in its trade war with Washington.
Last week, Trump declared a national emergency to bar United States companies from using foreign telecoms equipment deemed a security risk - a move seen as targeting Huawei, which Washington suspects of being a potential proxy for Chinese intelligence services.
"Most countries have always been highly alert to USA government acts of resorting to state power to crack down on companies in other countries, disrupt markets and obstruct mutually beneficial cooperation between other countries", Lu said.
As for smartphones, the most urgent concern among users of Huawei handsets is related to Android, the most popular mobile operating system, a product of Google (NASDAQ:).
While the US Commerce Department delayed the ban for 90 days, Huawei is already thinking of a backup plan.
Huawei last week was granted a trademark, "Hongmeng", for the operating system by the trademark office of China's National Intellectual Property Administration.
The heated rhetoric comes as trade negotiations have stalled, with neither side announcing a new date to resume talks after they exchanged increases in tariffs earlier this month.
Huawei is a Chinese tech giants that manufacturers telecommunication equipments and also sells consumer electronics like smartphones.
The trade dispute has snowballed into a tech war, with Huawei at the epicentre of a battle for supremacy in technologies that could shape the future of the world economy, such as next-generation 5G networks in which the Chinese firm is a global leader.
China has retaliated with its own levies on United States imports, but it was Washington's subsequent move against Huawei that took the trade war into a new phase, stoking fears about risks to global growth and knocking financial markets.
"We have been in touch with both companies", Rogers Communications said, adding "we will continue to share information with our customers as it becomes available".
"It would be a truly Herculean effort on Huawei's part to pull it off", he said.
Vodafone also said it would suspend Huawei's Mate X phone from its 5G line-up because "Huawei's 5G handset is yet to receive the necessary certifications".
Arm China also said in a reply to China Daily that "we are in active communication to find appropriate solutions that comply with current laws and regulations".