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- Broken Single Glass Heat Pipe Solar Thermal Collector
- Solar Street Lamp
- Solar Street Lamp
- Samsung Booth at Green Energy Exhibition Daegue
- Solar Street Lamp
- Night View Daegu Downtown
- Solar Street Lamp
- Night View Daegu Downtown
- Night View Daegu Downtown
- EXCO ROOF Green Energy Exhibition Daegue
- Bifacial Solar Cell with 29% Efficiency
- EXCO Roof Green Energy Exhibition Daegue
- Drummer at Green Energy Exhibition Daegue
- Green Energy Exhibition Daegue
- Street Live in Seoul