It comes as independent refiners stepped up purchases of discounted supplies while cutting shipments from rival suppliers such as Angola and Brazil. Imports of Russian oil, including supplies pumped via the East Siberia Pacific Ocean pipeline and seaborne shipments from Russia’s European and Far Eastern ports, totaled 7.15 million tonnes, up 7.6% from a year ago, data from the Chinese General Administration of Customs showed. Russia held its spot as China’s top oil supplier for a third month in July, data showed. Seen here is an oil pumping unit at Huabei oil field on the outskirts of Hejian city, Hebei province, China. Guang Niu | Getty Images Russia held its spot as China’s top oil supplier for a third month in July, data showed on Saturday, as independent refiners stepped up purchases of discounted supplies while cutting shipments from rival suppliers such as Angola and Brazil. Imports of Russian oil, including supplies pumped via the East Siberia Pacific Ocean pipeline and seabor