Company History
2016
- DecemberEstablished "Employee stock ownership association of Daejin Environmental Industries Co., Ltd" and stocks were donated by major shareholders
- OctoberParticipated in Greentech Exhibition “IGEM 2016" in Malaysia.
- SeptemberParticipated in "Enviro-Tech Philippines 2016" in the Environmental Technology Fair in the Philippines.
- SeptemberParticipated in "2016 International Climate & Environment Fair" hosted by Jeollanam-do, Gwangju Metropolitan City (Kim Daejung Convention Center).
- JuneSelected as "a company for promoting business for small and medium business" by Korea Environmental Industry and Technology Institute under the Ministry of Environment
2015
- AugustThe validity period for certificates of new technology by Ministry of Environment nos. 374 and 161 (Electrolytic dephosphorization type internal circulation MBR advanced water treatment technology (DS-MBR) combined with supernatant discharging device) is extended (until August 2022).
2014
- NovemberSigned unit price contract for a third party with the Public Procurement Service for the first time in the area of “sewage treatment facility”
- JuneRegistration of patent No. 1412689 (System for treating non-point sources capable of washing residual areas and discharging stagnant water).
- JuneDesignation of the best product of "Sewage Treatment Facility" by Public Procurement Service (No. 2014063).
- In MarchAcquisition of a certificate of performance for DS-MBR sewage treatment apparatus by Small and Medium Business Administration (No. 14-228).
- JanuaryRegistration of business of private sewage treatment facility management (No. 2014-15)
2013
- SeptemberCertification of new technology by Ministry of Environment no. 161 (Electrolytic dephosphorization type internal circulation MBR advanced water treatment technology (DS-MBR) combined with supernatant discharging device)
- SeptemberRegistration of patent No. 1306980 (Water treatment apparatus and method using iron electrolysis and the method)
- AugustRegistration of patent No. 1303264 (Underwater stirrer for water treatment)
2012
- AugustCertification of new technology by Ministry of Environment no. 374 (Electrolytic dephosphorization type MBR advanced water treatment apparatus combined with supernatant discharging device)
- AprilCertification of proving direct production of sewage treatment apparatus and components (Machinery Industry Association)
- AprilCertification for proving unmanned remote system and direct production of automatic control panels (Automatic Control Association)
- FebruaryRegistration of patent No. 1122745 (Electrolytic dephosphorization type MBR advanced water treatment apparatus combined with intermittent reaction, energy saving internal circulation and supernatant discharging device)
2011
- AugustRegistration of patent No. 1030075 (Electro coagulation type apparatus for processing wastewater and a method for processing using the same)
- JuneRegistration of international patent - Philippines
2010
- DecemberRegistration of patent No. 1004083 (Nonpoint pollution processing apparatus including whirlpool first and second processing units and a third microorganism decompose processing unit)
- SeptemberRegistration of patent No. 0980636 (Apparatus for removing nitrate nitrogen using electrolysis, which is used for water purification and sewage treatment facilities)
- JuneRegistration of patent No. 0964403 (Ultraviolet ray sterilization apparatus for water treatment)
- AprilRegistration of patent No. 0955538 (Internal circulation and supernatant discharging device)
- In MarchRegistration of Patent No. 0948197 (Advanced treating apparatus for removing nitrogen and phosphorus using intermitted aeration, membrane, electrolysis apparatus, and advanced method of water treatment using the same)
- In MarchAwarded a citation of NTS Gwangju District Office - Exemplary taxpayer
2006
- OctoberEnvironmental New Technology Certificate No. 183, Environmental New Technology Verification No. 95 (Advanced Treatment Technology for the phosphorus in sewage by adding ferrous plate electrolytic products in anoxic aeration process)
1997
- FebruaryRename of company : Daejin Chemical Co., Ltd ⇒ Daejin Environmental Industry Co., Ltd.
- FebruaryRegistration as a company for design and construction business of sewage, manure, livestock wastewater purification system.
1995
- In JulyConversion into a corporation (Daejin Chemical Co., Ltd.)
1989
- JanuaryEstablishment of Daejin Chemical (FRP water tank manufacturing)