Construction Cases
- Jeju Nabeup district – STS Cylindrical Water Tank (500 tons)
- Jeju Samyang 3 Suwon – STS Cylindrical Water Tank (1,350 tons)
- Geoje Island Hakdong reservoir Suwon – STS Cylindrical Water Tank (1,000 tons)
- Geoje Island Mangchi – STS Cylindrical Water Tank (1,000 tons)
- And etc.,
