The purchase was made as part of efforts to diversify import sources, Idemitsu clarified TOKYO, May 8. /TASS/. Japanese oil company Idemitsu has purchased a Russian crude oil run from Sakhalin as part of its efforts to diversify its import sources, the company's press service told TASS. TASS has compiled the main facts on the topic. Oil purchase from Russia - Japan purchased a cargo of Russian oil amid the escalating situation around Iran and the closure of the Strait of Hormuz, a TASS