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U.S. Sanctions Chinese Refinery and Dozens of ‘Shadow Fleet’ Operators Tied to Iran Oil

The action warns global banks and traders that facilitating Iranian flows could draw U.S. penalties.

Overview

  • Treasury’s Office of Foreign Assets Control on Friday sanctioned Hengli Petrochemical in Dalian and about 40 shipping firms and 19 tankers, adding them to the U.S. SDN list and blocking any U.S.-linked assets.
  • Treasury says Hengli has imported Iranian crude since 2023 and funneled hundreds of millions of dollars to Iran’s military through purchases tied to Sepehr Energy Jahan Nama Pars.
  • Many of the named ships are part of Iran’s “shadow fleet,” a web of older tankers that hide cargo origins through ship-to-ship transfers, flag changes, and opaque ownership structures.
  • Officials cast the step as part of “Economic Fury” to choke off Tehran’s oil revenue after temporary waivers lapsed last weekend and after a U.S. blockade near the Strait of Hormuz earlier in April.
  • The move lands before U.S.–Iran talks in Islamabad and a planned TrumpXi meeting in China, and it heightens secondary‑sanctions risk for banks and traders even as some Chinese teapot refiners have limited exposure to U.S. finance.