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- Business Type: Manufacture
- CEO: Kim Seon Yong
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Main Item
: New & Renewable Energy
- Established: 2019-06-28
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- Business Type: Service Industry
- CEO: 김준기
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Main Item
: Energy Efficiency
- Established: 2020-12-24
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- Business Type: Manufacture,Government, Public organizations,Educational Facilities,International Agency,Service Industry,Others
- CEO: 김병석
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Main Item
: Energy Efficiency
- Established: 1962-03-13
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- Business Type: Government, Public organizations
- CEO: Cho, Young Shin
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Main Item
: New & Renewable Energy
- Established: 2021-01-14
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- Business Type: Distribution,Architectural, Engineering
- CEO: Jeon Jongcheol
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Main Item
: New & Renewable Energy
- Established: 2022-04-01
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- Business Type: Manufacture,Construction
- CEO: Heuynam Cho
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Main Item
: New & Renewable Energy
- Established: 1998-12-25
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- Business Type: Manufacture,Trade,Distribution,R&D,Service Industry
- CEO: YOUNG JOON YU
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Main Item
: Energy Efficiency
- Established: 2010-10-01
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- Business Type: Construction,Architectural, Engineering
- CEO: 이영호
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Main Item
: New & Renewable Energy
- Established: 2017-11-06
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- Business Type: Government, Public organizations
- CEO: Lee Jang Woo
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Main Item
: Energy Efficiency
- Established: 1945-01-01