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New environmental technology certification
New construction technology certification
New disaster prevention technology certification
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Public Procurement Service
(3rd Unit Price) -

Korean Intellectual Property Office
(Best Patented Product) -

Korea Invention Promotion Association
(Best Invention) -

TRA Certification Int’l
(ISO9001 Certification)
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Ministry of EnvironmentSelected as Green New Deal Promising Business 100
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Ministry of EnvironmentDesignated as Excellent Environmental Business
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Gyeonggi-doDesignated as Promising Environmental Business
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Small and Medium Business AdministrationINNO-Biz Confirmation Document
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Excellent Product Designation DocumentRadial multi-stage filter device
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Excellent Product Designation Documentplastic rainwater detention tank
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Excellent Product Designation Documentwaterway diversion device
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ISO certification -
New construction technology(No. 831)Radial multi-stage filter device
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New disaster prevention technology(No. 2017-1-1)plastic rainwater detention tank
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New environmental technology(No. 327)Radial multi-stage filter device
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LH New Technology CertificationRadial multi-stage filter device
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K-watersAgreement on available new technology
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Ministry of National DefenseAgreement on available new technology
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Ministry of EnvironmentMinister of Environment’s Award
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Ministry of Land, Infrastructure and TransportMinistry of Land, Infrastructure and Transport's Award