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In the 1980s, Dongbu Group strategically processed its multi-directional expansion into key industries with high value added and in the finance industry. It purchased Ilsin Steel (presently known as Dongbu Steel) and Ulsan Petrochemicals/Youngnam Chemicals (presently known as Dongbu Hannong Chemical), and rationalized the equipment to convert its business to producing products with high value added. In cooperation with Monsanto Company, Dongbu established Kosil Co., Ltd., and produced silicone wafers, a raw material in producing semiconductors, to make its first strategic step into the current semiconductor industry. Also, it purchased Sama Transportation, a harbor loading and unloading company of Incheon Port, and laid its groundwork for the expansion of its businesses as a general transportation company in Korea¡¯s two greatest ports in Busan and Incheon.

It established Kookmin Investment (presently known as Dongbu Securities), Dongbu Life Insurance, and Dongbu Venture Investment, and purchased the administrative rights of Hankook Car Insurance (presently known as Dongbu Insurance) to establish its basis in the financial field, a future-oriented development field.

In the late 1990s, Dongbu officially pursued utilization, professionalism, and internationalization based on stable administration. It reformed the structures of its key businesses by merging Dongbu Petrochemicals and Youngnam Chemicals, and by integrating Dongbu Industry¡¯s steel works with Dongbu Steel. Dongbu Steel exported high-purity, multi-crystal silicone production technology to Germany, and Dongbu Express pursued utilization and professionalism by expanding domestic and international bases of logistic businesses. Also, it laid the groundwork on its growth as a specialized group in finances and insurance by converting Dongbu Investment Capital to Dongbu Securities, and by normalizing the administration of Dongbu Insurance. (presently known as Dongbu Chemicals).


 1992 / The General Institute of Training was founded.
Dongbu Industry¡¯s Information Communication Headquarters was founded.
 1991 / Dongbu Securities was established (converted from Dongbu Investment).
 1990 / Dongbu Petrochemicals and Youngnam Chemicals were merged (presently known as Dongbu Chemical).
 1989 / Dongbu Life Insurance was established.
Dongbu Venture Investment was established.
Dongbu Engineering was established.
Dongbu Industry became a specialized trading company.
 1988 / Youngnam Chemicals was purchased.
The Dongbu Culture Foundation was established.
 1986 / Ulsan Petrochemicals was purchased (its name was changed to Dongbu Petrochemical in 1986).
 1985 / Sama Transportation was purchased.
 1984 / Dongjin Steel was purchased (its name was changed to Dongbu Steel in 1985).
 1983 / The management intervention for Hankook Car Insurance began (its name was changed to Dongbu Insurance in 1995).
 1982 / Kookmin Investment was established (presently known as Dongbu Securities).