The United States sanctioned several state-owned Chinese companies for allegedly shipping Iranian oil to China. The sanctioned entities include two subsidiaries of shipping giant Cosco Group: Cosco Shipping Tanker (Dalian) Co. and Cosco Shipping Tanker (Dalian) Seaman & Ship Management Co. The sanctions also affect more than four dozen Cosco Group ships. Additionally, the United States blacklisted Kunlun Shipping Co. and Kunlun Holding Co., which are connected to the China National Petroleum Corporation (CNPC).