COMPANY
Business Licenses and Patents
Construction Business Registration Certificate
| Sector | Registration No. | Registration Date | Issuer |
|---|---|---|---|
| Water and sewage facilities construction business | Seoul-92-13-110 | Sept. 7, 2001 | Gangnam-gu Office, Seoul |
| Mechanical equipment construction business | Gangdong-11-10-02 | May 11, 2011 | Gangdong-gu Office, Seoul |
| Metal structure window construction business | Gangnam-06-08-13 | Oct. 10, 2006 | Gangnam-gu Office, Seoul |
| Steel structure construction business | Songpa-17-18-01 | Dec. 11, 2017 | Songpa-gu Office, Seoul |
| Individual sewage treatment facility design and construction | No. 2016-2 | Sept. 12, 2016 | Director of Songpa-gu Office |
| Individual sewage treatment facility management business | No. 2015-1 | July 28, 2015 | Director of Songpa-gu Office |
| Water environment specialized construction business | No. 35 | July 27, 2015 | Director of Songpa-gu Office |
| Water tank cleaning business | No. 3230000-31-00002 | Feb. 06, 2018 | Director of Songpa-gu Office |
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Water and sewage facilities construction business
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Mechanical equipment construction business
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Metal structure window construction business
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Steel structure construction business
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Individual sewage treatment facility design and construction
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Individual sewage treatment facility management business
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Water environment specialized construction business
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Water tank cleaning business
Overseas Construction Business Report
| Sector | Registration No. | Registration Date | Issuer |
|---|---|---|---|
| Water and sewage facilities construction business | No. 168 | June 25, 2008 | President of the Overseas Construction Association |
| Mechanical equipment construction business | No. 504 | May 25, 2011 | President of the Overseas Construction Association |
| Metal structure window construction business | No. 171 | May 25, 2011 | President of the Overseas Construction Association |
| Environmental specialized business | No. 115 | May 25, 2011 | President of the Overseas Construction Association |
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Water and sewage facilities construction business
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Mechanical equipment construction business
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Metal structure window construction business
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Environmental specialized business
Factory-related Certificate of Registration
| Details | Registration No. | Issuer | |
|---|---|---|---|
| Factory Registration Certificate | Naechon-myeon, Pocheon-si, Gyeonggi-do | 7/10/2019 | Korea Industrial Complex Corporation |
| Certificate of Recognition of Direct Production | Water treatment and supply equipment | No. 2019-0544-00200 | Korea Federation of SMEs |
| Certificate of Recognition of Direct Production | Purification equipment | No. 2019-0577-00135 | Korea Federation of SMEs |
| Certificate of Recognition of Direct Production | Conveyor and accessories | No. 2019-0595-00155 | Korea Federation of SMEs |
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Factory Registration Certificate
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Certificate of Recognition of Direct Production - Water treatment and supply equipment
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Certificate of Recognition of Direct Production - Purification equipment
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Certificate of Recognition of Direct Production - Conveyor and accessories
Patented Technology
| Patent No. | Name | . | Registration Date |
|---|---|---|---|
| No. 0504008 | Nitrogen removal device using ultrasonic membrane in wastewater treatment system and method thereof | ) |
July 19, 2005 |
| No. 10-1407956 | Integral filtration and sterilization system and filtration and sterilization method using said system | ) |
June 10, 2014 |
| No. 10-1520877 | Redox catalyst for ultra-high treatment of wastewater containing nickel, silicon, magnesium, titanium, iron, and aluminum alloy nanoparticles and equipment and method for ultra-high treatment of wastewater using the same | ) |
May 11, 2015 |
| No. 10-1928327 | Advanced wastewater treatment system for activated sludge using bi-directional agitation type circulator and method thereof | ) |
Dec. 6, 2018 |
| No. 10-1976990 | Shatter-proof curtain for hopper | ) |
May 2, 2019 |