Our Journey
A record of our pursuit of clean water and a sustainable tomorrow.
2025
Launched environmental business operations (Sewage sector)
Received a Ministerial Commendation from the Ministry of Environment (environmental protection)
Patent registered: water-level-adjustable precision filtration system for filter basins at water treatment plants
Patent transfer and registration: height-adjustable skimmer and DAF water-treatment system incorporating the skimmer
Selected as an Excellent Product in the water industry
2024
Designated as a successful product under K-water’s Performance-Sharing Program (Precision Filtration System).
2023
Designated as a registered technology by K-water (Precision Filtration System)
Patent registered: horizontal filtration filter system
2021
CP Certification (Precision Filtration System)
Designated as an Excellent Procurement Product by
the Public Procurement Service (Precision Filtration System)
2020
Designated as an Innovative Water Company
KC Certification (Precision Filtration System)
2019
Received the Korea Construction Culture Awards
Patent registered: open-channel UV disinfection system
Registered performance certification for the automatic backwash filter
2018
Registered as a Mechanical Facilities Construction Contractor
Completed the Daegu plant (Korea Water Cluster)
Received a Ministerial Commendation from the Ministry of Environment
Certified as an Inno-Biz company
2017
Certified as a Main-Biz company
Patent registered: automatic backwash filter with dual-filtration mechanism
Registered as a Waterworks & Sewerage Facilities Construction Contractor
2016
Selected as a Gyeonggi Export Frontier Company
Selected as a tenant company at the Korea Water Cluster
Acquired photocatalyst patent technology transferred from the Korea Institute of Materials Science (KIMS)
2014
Established an in-house R&D center
Opened the Gwangju (Gyeonggi-do) plant
Certified as a venture company
2013
2012
Launched an adsorption-based arsenic removal system
Patent registered: microbial disinfection system effective against microorganisms including norovirus
ISO 9001 & ISO 14001 certified
2011
Entered into a partnership with Atlantium Technologies Ltd. (Israel)
Completed AOT norovirus disinfection testing in collaboration with the Korean Society for Microbiology
Opened the Seongnam (Sangdaewon-dong) plant
2010
Completed domestic performance certification testing for AOT
Entered into a partnership with Wallenius Water AB (Sweden)
Established MIDNI Co., Ltd.
