The US has tightened its grip on Iran's oil revenue by sanctioning a major Chinese refinery and numerous shipping entities involved in transporting Iranian crude. This move targets a "shadow network" and escalates pressure amid regional tensions. China has criticized the sanctions, urging an end to their political use and warning of harm to legitimate trade.from Business News Today: Stock Markets, Financial News, India Business & World Business News https://ift.tt/3fhsHSQ
