2025. 01 Gunsan Mayor Awards Commendation of Chamber of Commerce
2025. 02 Wastewater treatment system using electron beam irradiated carbon electrodes - Patent registration –

2024. 03 Concentrated quiet odor reduction device - Patent registration -
2024. 08 A wastewater treatment system containing high-concentration nitrogen and organic matter using anaerobic microorganisms and ion- exchange membranes and a treatment method using it - Patent registration -
2024. 08 Lens abrasive wastewater treatment device with high-speed carbon adsorbent for heavy metal removal - Patent registration –
2024. 10 Registration of Designation of Water Quality Environmental Management Agency
2024. 11 cation exchange membrane and its manufacturing method - Patent registration -

2023.01 Confirmation of management innovation type small business (Main Biz)
2023.02 Registered as a measurement agency (indoor air quality)
2023.02 ISO certification (Safety and Health Management System 45001)
2023.05 Designated as a leap forward company in Jeollabuk-do
2023.06 Confirmation of technology innovation typed small business(Inno Biz)
2023.08. Confirmation of Female Enterprise
2023.10 Small and Business Technology Awards
2023.11 Change of company name as Woolim E&T Corporate
2023.12 Excellent Company Citation in Jeollabuk-do

2022.09 ISO certification (Quality Management System 9001)
2022.09 ISO certification (Environmental Management System 14001)
2022.10 Various Patent technology transfer and Patent Application about Drum Screen, etc
2022.12 Certificated as a Venture Business company
2022.12 Gunsan City Awarded Best Job Creation Company

2021.01 Registered as an Atmospheric environmental specialized construction business (No, 184)
2021.01 Registered as a Water environmental specialized construction business(No. 185)
2021.02 Patent technology transfer from Korea Atomic Energy Research Institute
2021.10 Excellent Technology Innovation Award(INNOBIZ Association)
2021.11 Integrated permit agency business, No. 81
2021.12 Registered as a Asbestos dismantlement supervisor(No. 45-0035)

2020.08 Build a factory and an office
2020.10 Designated as a root company(No. 20100-09480)
2020.12 Establish R&D center(No. 202011664)

2019.06 Factory registration
2019.10 Registration of machinery installation work (Gunsan, Jeollabuk-do 2019-10-04)

2019.06 Factory registration
2019.10 Registration of machinery installation work (Gunsan, Jeollabuk-do 2019-10-04)