S.Korean S-Oil expects 2021 refining margins to improve gradually

MOSCOW (MRC) -- South Korea's S-Oil Corp expects refining margins to improve gradually this year, boosted by a continuing recovery in demand as coronavirus vaccines are rolled out, amid limited capacity additions, reported The Economic Times. The country's third-largest refiner, whose major shareholder is Saudi Aramco, on Thursday posted operating profit of 93 billion won (USD83.19 million

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