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Chey Jong-hyon

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SK Group

Chey Jong-hyon · 1953

SK Group is a South Korean chaebol founded in 1953 through the acquisition of Sunkyong Textiles — Japanese-owned property seized by the South Korean government after the Korean War armistice. It is the second-largest chaebol by revenue, controlled by the estate of Chey Tae-won via SK Inc., and operates 186 subsidiaries under the SKMS management system. Its cornerstone remains energy and chemicals, though it spans AI semiconductors, flash memory, telecommunications, and petrochemicals. The material confirms no revenue figures, margins, valuations, or operational metrics beyond structure, origin, control, and sectoral scope.