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Smartphone manufacturer Huawei recently started selling its Mate
60 Pro phone containing a chip that analysts believe was made
with a technology breakthrough by Chinese chip foundry
Semiconductor Manufacturing International Corp (SMIC).
The Commerce Department said this month it is working to obtain
more information "on the character and composition" of the chip
that may violate trade restrictions since it said it must have
been made with U.S. technology.
On Tuesday, U.S. Commerce Secretary Gina Raimondo told a U.S.
House hearing that the U.S. has no evidence that Huawei can
produce smartphones with advanced chips in large volume, and
that she was upset by a report that Huawei was able to produce
an advanced smartphone.
In response, Chinese Foreign Ministry spokesperson Mao Ning said
China "opposed the U.S. generalising the concept of national
security".
"Such discriminatory and unfair practices against Chinese
companies undermine the principles of free trade and
international economic and trade rules, and disrupt the
stability of the global production and supply chain," she added.
China and the United States are locked in an ongoing battle over
semiconductor technology.
Washington is considering new restrictions on sales of
artificial intelligence microchips, following a sweeping set of
export controls last year to cut China off from certain
semiconductor chips made anywhere in the world with U.S.
equipment.
(Reporting by Liz Lee, Ethan Wang and Bernard Orr; Editing by
Christian Schmollinger and Miral Fahmy)
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