China’s refiners have imported lower volumes of Iranian crude in August compared to July as the U.S. blockade reinstated in mid-July is squeezing crude supply to Iran’s top oil customer

Trade sources say Iranian crude offers to China have declined and prices have risen as Washington's blockade disrupts Tehran's oil shipments.

By Siyi Liu and Chen AizhuSINGAPORE, Aug 21 (Reuters) - Offers of Iranian crude to Chinese buyers have declined and prices have jumped this week as the U.S. blockade has cut…