"The Yeosu National Industrial Complex - built in 1967, is the country's largest heavy chemical industrial complex. It accommodates over 120 oil refining, fertilizer, and petrochemical companies, accounting for 26% of domestic oil refining and 50% of domestic ethylene production. Yeosu will host the Expo 2012 exhibition  under the theme ""The Living Ocean and Coast"". Yeosu (Yeosu-si) is a city in South Jeolla Province. Old Yeosu City, which was founded in 1949, Yeocheon City, founded in 1986, and Yeocheon County were merged into a new city in 1998."
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