U.S. Worries About Private Chinese Companies Aiding Russia, Blinken Says
New York Times
Secretary of State Antony J. Blinken said he urged Chinese officials “to be vigilant” as Washington continues to express concerns over possible military support to Russia.
https://www.nytimes.com/2023/06/19/world/europe/china-russia-war-aid-blinken-us.html