| 2024. 03 | POSCO Partner_ Cooler Project, THC,HCl,Dust Gas Control 135,000 CMh |
| |
| 2022. 06 | Janssen Partner_ WESPS-Project, WPE,THC,HCl,Dust Gas Control WESPS 24,000 CMh |
| |
| 2022. 04 | Posco pl_Partner_Secondary batteries WESPS-Project, Kiln SO₂,HCl,Dust Gas Control WESPS 14,400 CMh |
| |
| 2020. 10 | WESPS-Project Tar& Gas Control Wet Honeycomb Electro Precipitator 24,000 CMh/21,000 CMh |
| |
| 2019. 03 | Samil Dyetech Partner_ WESPS-Project Tar& Gas Control Wet Honeycomb Electro Precipitator 24,000 CMh |
| |
| 2018. 05 | WESPS-Project Tar& Gas Control Wet Honeycomb Electro Precipitator 21,600 CMh |
| |
| 2017. 11 | WESPS-Project Tar& Gas Control Dry Honeycomb Electro Precipitator 8,700 CMh |
| |
| 2017. 06 | DESPS-Project Ceramic Gas Control Poly-Stage Electro Precipitator 36,000 CMh*2 |
| |
| 2016. 03 | WESPS-Project Chemical Gas Control Wet Honeycomb Electro Precipitator 54,000 CMh |
| |
| 2015. 12 | Geon-Woo Technology Environment_ Incorporation |
| |
| 2015. 05 | Waste Energy Gasfication Project, Power Plant H,D Textile Gas Control-WESPS |
| |
| 2014. 09 | Textile Gas Control 81,000 CMh-Project. J&J Textile Gas Control |
| |
| 2013. 06 | Dyeing Industrial Center -Presentation m/t Semiconductor Acid Scrubber PJT BP DESPS 550CMh-Project |
| |
| 2012. 12 | JF & B Wet Honeycomb Ionizer pjt Electro Spinning Project Wet electrostatic precipitator patent |
| |
| 2011. 10 | N&BOEM Honeycomb Ionizer pjt Posco esp Modify Project. |
| |
| 2010. 05 | During Exhaust Gas control Pjt BP DESPS Project |
| |
| 2009. 07 | OGM Honeycomb Ionizer pjt BP Honeycomb Ionizer pjt |
| |
| 2008. 04 | MPS Honeycomb Ionizer pjt BP DESPS*5 Project |
| |
| 2007. 06 | Shandong & Weihei Gas control Presentations Wet Honeycomb Ionizer Start of Production. |
| |
| 2005. 08 | Posco R&D center Project |
| |
| 2002. 04 | Founding of Geonwoo Tech Electrostatic precipitator patent |