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US sanctions Chinese teapot refinery that bought Iranian oil

Trump Administration announced on Friday that it had imposed sanctions on an independent "teapot refinery" in China for?buying billions worth of Iranian crude oil while Washington and Tehran are struggling to restart peace negotiations.

Treasury Department targeted Hengli Petrochemical Refinery Co., which they said was one of Iran's biggest customers for crude oil and petroleum. The Office of Foreign Assets Control of the Treasury Department said that it had also imposed sanctions against about 40 shipping firms and vessels operating as part of Iran’s shadow fleet. Last year, the Trump administration imposed sanctions against teapots Hebei Xinhai Chemical Group and Shandong Shouguang Luqing Petrochemical.

This created a few hurdles for refiners. They had to receive crude and sell refined products under different names. Teapots make up about a quarter (25%) of Chinese refinery capacities. They operate with 'narrow and sometimes negative margins', and have recently been squeezed by the tepid demand at home.

Some independent refiners have been deterred from purchasing Iranian oil by the U.S. sanctions that block U.S. assets and prohibit Americans from doing business. Data from Kpler's analytics firm for 2025 showed that China purchases more than 80% Iran's oil.

The experts in the field of sanctions have long maintained that independent refineries, due to their limited exposure to the U.S. Financial System, are immune from the full impact of U.S. Sanctions. They say that imposing sanctions on China’s banks, which facilitate the?purchases of Iranian oil would have a greater impact on those purchases.

Treasury Secretary Scott Bessent stated that the U.S. was imposing a financial "stranglehold", on the Iranian Government. Bessent stated that Treasury will continue to restrict the network of vessels, intermediaries and buyers Iran depends on to transport its oil to international markets. Teapot refiners have recently had to purchase Iranian oil at a premium to Brent oil prices after Washington temporarily waived sanctions on Iranian oil shipped at sea. This was done to encourage India to buy more oil. The U.S. allowed the waiver expire last week. Timothy Gardner and David Gaffen edited this report.

(source: Reuters)