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- Business Type: Manufacture,Construction
- CEO: 정선우
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Main Item
: New & Renewable Energy
- Established: 2017-02-02
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- Business Type: Manufacture
- CEO: 유종필
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Main Item
: New & Renewable Energy
- Established: 2011-04-18
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- Business Type: Manufacture,Construction,Distribution,Management Consultancy,Service Industry,Others
- CEO: 이정림
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Main Item
: Energy Efficiency
- Established: 1988-07-25
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- Business Type: Information and Communication,R&D
- CEO: CHO JUNG HOON
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Main Item
: Energy Efficiency
- Established: 2017-02-24
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- Business Type: Construction
- CEO: 손대익
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Main Item
: Energy Efficiency
- Established: 1972-11-01
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- Business Type: Architectural, Engineering,Others
- CEO: 안남기
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Main Item
: New & Renewable Energy
- Established: 1990-11-01
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- Business Type: Manufacture
- CEO: 서창환
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Main Item
: New & Renewable Energy
- Established: 2006-01-01
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- Business Type: Distribution,Information and Communication,R&D,Management Consultancy,Service Industry
- CEO: 황유식
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Main Item
: Energy Efficiency
- Established: 2021-11-01
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- Business Type: Manufacture
- CEO: Jeon Soon Bok
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Main Item
: Energy Efficiency
- Established: 2018-09-14