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Bessent says US to impose 'toughest' ever sanctions on Iran, urges China to cooperate - Headlines news and analysis from Global Banking & Finance Review
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Bessent says US to impose 'toughest' ever sanctions on Iran, urges China to cooperate

Published by Global Banking & Finance Review

Posted on August 20, 2026

3 min read

· Last updated: August 20, 2026

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US Announces Unprecedented Iran Sanctions, Urges Cooperation from China

US Sanctions on Iran and the Call for International Cooperation

Announcement of Toughest Sanctions

Aug 20 (Reuters) - U.S. Treasury Secretary Scott Bessent said on Thursday Washington will impose "the toughest sanctions in history" on Iran and urged Beijing to cooperate with the U.S., but China said sanctions will not help in resolving the issue.

Bessent said he would hold a press conference on Monday to discuss details.

Details of the Sanctions Strategy

"It is a one-two punch. We have the blockade (on Iran), and we are going to have the toughest sanctions in history," Bessent told CNBC. "It is going to work in Iran and we are going to collapse this regime."

Global Reactions and Economic Implications

Trump's Warning to Other Countries

President Donald Trump warned on Wednesday of economic consequences against any country that provided "any type of lifeline to Iran" as the U.S. looks to resolve a war against Iran it began alongside Israel nearly six months ago.

China's Response to US Pressure

"Regarding the Iran issue, sanctions and pressure do not help resolve the problem. China calls on the relevant parties to take responsible actions and resolve the issue through political and diplomatic means," a spokesperson for China's embassy in Washington said in response to Bessent's comments.

China's Economic Ties with Iran

China buys more than 80% of Iran's shipped oil, according to 2025 data from analytics firm Kpler. If the U.S. engaged in further economic warfare with China, a major exporter to the U.S., including vital rare-earth minerals, it would risk retaliation.

Iran's Endurance and Market Reactions

Iran's History with Sanctions

Iran has weathered punishing economic sanctions for nearly 50 years, since the Islamic Revolution of 1979. Iranian Foreign Minister Abbas Araqchi called Trump's comments an attempt to divert American public opinion from domestic financial problems, including record debt and rising interest rates.

Oil Market and Economic Pressure

"I think oil markets are misinterpreting what this economic pressure means," Bessent said on Thursday. Oil prices climbed to more than three-week highs on Thursday.

"We have asymmetric information, and I'm not sure why oil has popped up on this," Bessent said. "If we are doing the maximum economic pressure, then that means that likely there will not be a large-scale kinetic restart."

Future Prospects and Diplomatic Conversations

US-China Dialogue on Iran

When asked if the U.S. could target China for doing business with Iran, Bessent said many conversations were best to have in private. 

Energy Security and Regional Stability

"We are confident that everyone wants the Strait (of Hormuz) reopened, and for energy prices to come back down," he said. "Keep in mind that the Chinese get 50% (of their) energy from inside the Gulf. So it would do them a big service to get with the program."

(Reporting by Susan Heavey, Michelle Nichols and Kanishka Singh; writing by Michelle Nichols and Kanishka Singh; editing by David Ljunggren, Rod Nickel and Chris Reese)

Key Takeaways

  • Bessent described a “one‑two punch” of a blockade and unprecedented sanctions aimed at collapsing Iran’s regime, with more details to come in a Monday press briefing.
  • China, which buys over 80% of Iran’s exported oil, rejected sanctions as a resolution and emphasized political‑diplomatic solutions instead.
  • Kpler data show that in 2025 China imported around 1.3–1.4 million barrels per day of Iranian oil (over 80% of Iran’s seaborne exports), underscoring Beijing’s central role and the risks of U.S. retaliation.

Frequently Asked Questions

What sanctions is the US planning to impose on Iran?
The US will impose 'the toughest sanctions in history' on Iran, according to Treasury Secretary Scott Bessent.
Why is the US urging China to cooperate regarding Iran sanctions?
The US wants China, a major purchaser of Iranian oil, to support sanctions in efforts to pressure the Iranian regime.
How has China responded to US calls for cooperation on Iran?
China stated that sanctions and pressure will not help resolve the Iran issue and called for political and diplomatic solutions.
How might these sanctions impact global oil markets?
Oil prices have climbed to multi-week highs due to expected increased pressure on Iranian oil exports and supply issues.
What is the significance of the Strait of Hormuz in the US-China-Iran dynamic?
Bessent emphasized reopening the Strait is important as China gets 50% of its energy from inside the Gulf, highlighting the region's global energy importance.

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