팝업레이어 알림
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About us
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KR
EN
About us
About us
History
Patents and certifications
Map
Business
Renewable energy
Hydrogen
Battery/Electricity
Business performance
Investment information
Financial information
General stockholders’ meeting
IR data room
Media center
Press release
Customer inquiry
About us
Company Introduction
About us
History
Patents and certifications
Map
Patents and certifications
Patent Certificate No.10-2229709
Patent Certificate No.10-1770723
Patent Certificate No.10-1876332
Patent Certificate No. 10-1695381
Patent Certificate No.10-1497598
Patent Certificate No. 10-1241348
