India, April 17 -- The United States has imposed sanctions on Shandong Shengxing Chemical Co., Ltd, a China-based independent "teapot" refinery, for purchasing more than a billion dollars' worth of Iranian crude oil.

Shandong Shengxing is an independent teapot refinery in Shandong Province that has received dozens of shipments of Iranian crude oil from shadow fleet vessels, some of which have been sanctioned for their role transporting Iranian petroleum.

Between March 2020 and January 2023, Shandong Shengxing sent more than $800 million in wire transfers to China Oil and Petroleum Company Limited, which was was an Iranian front company that aided in selling Iranian oil to China.

The United States is also imposing sanctions on several com...