Washington DC, March 21 -- The United States has announced fresh sanctions targeting a Chinese teapot refinery for purchasing millions of barrels of Iranian oil, along with additional sanctions on entities and vessels in Iran's shadow fleet, as part of its broader strategy to curb Tehran's nuclear ambitions, restrict its ballistic missile program, and cut off its financial support for terrorist groups by driving its oil exports to zero, US State Department Spokesperson Tammy Bruce said on Friday.

"For the first time, the United States is sanctioning a so-called teapot refinery in China for purchasing millions of barrels of oil worth approximately half a billion dollars. We are also sanctioning several additional entities and vessels in I...