China immediately protested as the U.S. sanctioned China's Iranian oil importers, which import crude..

The U.S. sanctioned Chinese companies involved in importing Iranian petroleum, escalating tensions. China immediately protested the sanctions, signaling its resistance. Analysts believe this move is a negotiation tactic for the upcoming U.S.-China summit, and the U.S. is also reinforcing maritime security through warnings about Strait of Hormuz tolls.