The United States has imposed new sanctions on three individuals and nine companies accused of helping Iran illegally supply oil to China. The U.S. Treasury Department announced the measures on Monday, targeting entities in Hong Kong, the United Arab Emirates, and Oman. Officials said the sanctions focus on those assisting Iran’s Islamic Revolutionary Guard Corps (IRGC) in disguising oil sales and shipping operations to China. The move follows earlier sanctions issued last Friday against individuals and firms accused of aiding Iran’s drone and ballistic missile programs.

The sanctioned companies include Hong Kong Blue Ocean Limited, Hong Kong Sunmu Limited, Jiandi HK Limited, Max Honor International Trade Company, Dubai-based Ocean Allianz Shipping, Sharjah-based Atique Energy, and Oman’s Zeus Logistic Group. Treasury Secretary Scott Besent stated that the U.S. will continue using sanctions to curb Iran’s weapons development, nuclear activities, and funding of regional proxy groups. The State Department also announced a reward of up to $15 million for information leading to the disruption of the IRGC’s financial network.

The action comes just days before a planned meeting between U.S. President Donald Trump and Chinese President Xi Jinping, where Iran-related issues are expected to be discussed.