SMIC,who was mentioned in this video, has been blacklisted by the US.

From Bloomberg, this snipet:

SMIC Sees Impact on Advanced Chip Research From U.S. Blacklist
2020-12-20 09:38:29.99 GMT


By Bloomberg News
(Bloomberg) -- Semiconductor Manufacturing International
Corp., China’s largest chipmaker, says its inclusion in a U.S.
blacklist will have “major adverse impact” on the development of
advanced chips.
Research and development of 10-nanometer semiconductors and
more advanced technologies will be affected, though the
blacklist won’t have significant impact on SMIC’s operations and
finances in the short term.....