07 / 10
China warns US over Iran sanctions
China says it will protect its interests as Washington broadens sanctions targeting Iran and its trading partners.

What happened
The US announced broader sanctions on Iran and trading partners, including Chinese entities, to increase pressure on Tehran. China rejected the measures as illegal unilateral sanctions, said its cooperation with Iran follows international law, and stated it would protect its interests. The exchange adds strain to US-China relations.
Numbers
- 80%Estimated share of Iranian oil exports — Bought by China
- Over $41 billionChina-Iran trade last year — Bilateral trade volume
Questions
- How could China be affected?
- Chinese entities and Hong Kong firms are among the targets, while China is a major purchaser of Iranian oil.
- Why is Washington widening sanctions?
- Treasury Secretary Scott Bessent described the campaign as an effort to sever Iran’s economic lifelines and isolate its government from financial partners.
- What is at stake for Beijing?
- China is the biggest buyer of Iranian oil and maintains broad economic ties with Tehran beyond energy purchases.
- How broad could enforcement become?
- Bessent said banks and businesses that maintain financial ties with Tehran could share in Iran’s isolation under the campaign.
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Support and opposition
Who supports this, and why
US administration — Cutting Iran’s economic lifelines will isolate its government and end the threat Washington identifies.
Who opposes this, and why
Chinese government — Economic pressure will escalate the conflict, disrupt global finance and obstruct a return to dialogue and negotiations.
The catch
Coverage does not specify which Chinese banks or businesses will face the new measures.
The scope remains unclear.