The United States on Friday sanctioned multiple entities and individuals it said were involved in trading Iranian petroleum and petroleum products, including a China-based oil terminal operator and a Chinese national.

The State Department said the operator, Qingdao Haiye Oil Terminal Co., Ltd, “imported tens of millions of barrels of sanctioned Iranian crude oil”.

Also on the sanctions list is Li Xinchun, a Chinese national who is president of the China-based oil terminal, as well as a Hong...