History
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1988년 10월
Designated by the government as the subsidiary research center of the company
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1988년 7월
Established the subsidiary research center of the company (located in Daehwa-dong, Daedeok-gu, Daejeon Metropolitan City)
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1986년
Received Dongtap Order of Industrial Service Merit
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1986년
Guro factory relocated and completed the construction of Ansan factory (located in Moknae-dong, Ansan City, Gyeonggi-do)
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1984년
New construction of the factory No. 2 for raw material synthesis
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1983년
New construction of the factory No. 1 for raw material synthesis