Oman & Hengli Petrochemical (Dalian) Refinery

Oman: Oman has rejected Iran's proposal to charge ships for passage through the Strait of Hormuz.

Hengli Petrochemical (Dalian) Refinery: Hengli Petrochemical (Dalian) Refinery's facility in Dalian has been sanctioned by the United States for receiving Iranian crude oil shipments, impacting its operations and international trade.

Oman: Oman's financial institutions received letters from the United States — United States Department of the Treasury threatening secondary sanctions for facilitating Iranian illicit activities.

Hengli Petrochemical (Dalian) Refinery: The United States imposed sanctions on Hengli Petrochemical (Dalian) Refinery for purchasing Iranian oil, cutting it off from the U.S. financial system and penalizing anyone doing business with it. This action targets one of Iran's largest crude oil customers.

Oman: Abbas Araghchi had previously visited Oman as part of ongoing diplomatic consultations.

Hengli Petrochemical (Dalian) Refinery: Hengli Petrochemical (Dalian) Refinery is one of the Chinese independent refiners that the US has sanctioned for purchasing Iranian crude, leading to China's Ministry of Commerce ordering companies not to comply with these sanctions.