US Treasury's OFAC added three individuals and nine entities to its sanctions blacklist on 11 May, targeting Iran's IRGC oil-logistics network. Four of the nine are registered in Hong Kong, giving them no protection under China's new Blocking Rules that shield only mainland firms.
Trump departs for Beijing on 13 May, and targeting Hong Kong shells lets Washington escalate pressure without forcing Xi Jinping to publicly invoke his own counter-measures during summit week.
