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US sanctions against China's Hengli marks an escalation of Iran oil crackdown

Treasury Department imposed sanctions against China's Hengli Petrochemical Refinery (Dalian), accusing it of "buying billions in Iranian oil", in a significant increase in Washington's effort to curb Tehran's oil revenues.

Hengli Petrochemical, the parent company listed on Shanghai's Stock Exchange, denied doing business in Iran and said that sanctions lacked legal and factual basis. It also stated it would work to lift them.

The following are?key facts:

Why is this an escalation?

Hengli operates in Dalian in the north-east a refining facility that can process 400,000 barrels per day. This makes it the biggest Chinese refiner sanctioned by the United States, since the United States re-enforced its crackdown against Iranian oil exports.

The designation came shortly after a waiver of 30 days of sanctions for importing Iranian crude oil that had already been loaded had expired, and after U.S. Treasury Sec. Scott Bessent had threatened to sanction 'buyers of Iranian Oil' on April 15, and had said the Treasury Department had sent warning letters to 2 Chinese banks.

The move is in anticipation of U.S. president Donald Trump's planned visit to Beijing, which is scheduled for May.

Prior to this, the U.S. had imposed sanctions against Chinese entities based on their relationship with Iran. These included three small independent refiners, and several import terminal operators.

What has been the impact so far?

Hengli Petrochemical shares fell 10% on Monday.

Hengli Petrochemical International in Singapore was also restructured by the Hengli Group, which reduced the firm's 100% ownership stake to 5%. The remaining 5% is now owned by a Chinese government entity.

Trading executives expressed skepticism that the U.S. measure would protect the Singapore unit against the wariness of its counterparties, given the ownership at the time it was announced.

Hengli Petrochemical stated that it had enough crude to cover its processing needs for over three months. It will continue to settle oil purchases in Chinese Yuan.

What are the pre-conditions?

The U.S. sanctioned several Chinese entities, including three small refiners. According to sources, this caused difficulties in receiving crude oil and forced two of the companies to sell their product under different names.

In October of last year, the U.S. Sinopec, the state-owned refinery in China, received one fifth of its crude through an import terminal sanctioned by the U.S. This led to the terminal being idle for months and disrupting crude flow. It also forced cargo diversions because traders avoided the terminal for fear of secondary sanctions.

Sinopec's logistics unit sold its stake to a local port operator.

Shandong Yulong Petrochemical is another Chinese?refiner that produces 400,000 barrels per day and has a presence in Singapore. Last year, non-Russian customers, foreign banks, and vendors stopped doing business with the company after they were sanctioned by Britain and European Union for dealing with Russian oil.

Yulong became more dependent on Russian oil as a result of the measures.

What has been the impact of U.S. sanctions on Iranian oil?

China, which is the largest oil importer in the world, has been the main buyer of Iranian oil for many years. Vortexa Analytics reports that China brought in a record-breaking 1.8 million barrels per day (bpd) in March.

According to traders, China's giant state refiners are not buying Iranian crude after the U.S. reinstated sanctions in 2019. Instead, independent "teapots", who buy discounted Iranian barrels, are the only ones willing to purchase them.

Iranian oil shipped to China is usually transshipped on the way and is mainly branded as Malaysian, or Indonesian.

Beijing has defended the legitimacy of its trade with Iran and rejected unilateral sanctions it has called "illegal". (Reporting and editing by Raju Gopikrishnan; Tony Munroe)

(source: Reuters)