One senior Treasury official said that China is, as of now, unwilling to provide material support to Russia at scale and in a significant way, pointing instead to Russian efforts to source material from North Korea and Iran. The US and its allies have also taken more direct action, sanctioning a Chinese satellite company providing intelligence to Russian forces in January and putting some Chinese companies on the US export control list. But in recent months officials have also begun to see some results from their public and private efforts. Turkish officials told the US last month that their government has been taking further action to block the transit of sanctioned goods directly to Russia, according to a source familiar with the discussion. In a speech earlier this year on the anniversary of Russia’s invasion, US Deputy Treasury Secretary Wally Adeyemo publicly warned Russian intelligence services that the US is monitoring their efforts and is cracking down.

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