Major Performance Record
- Seoul Youngdeung-po, Ddok-do, Goo-eui Water
- Treatment Plant : 260 units
- Daejeun Waste Water Treatment
- Plant : 104 units
- Daegu Dalseocheun, Seobu Waste Water Treatment
- Plant : 431 units
- Jeun-ju Waste Water Treatment Plant : 98 units
- Dangjin, Pyoung-tek, Ban-wol, South Jeju Thermal
- Power Plant : 52 units
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