About
License/Certificate
| License | Area | Registration Date |
|---|---|---|
| Engineering industry | Engineering (chemical) | 2011. 12. 15 |
| Engineering (structural) | 2018. 03. 23 | |
| General firefighting facilities (electrical, mechanical) | 2022. 09. 20 | |
| Construction Industry | Civil engineering and construction business | 2018. 04. 23 |
| Mechanical equipment construction business | 2005. 02. 21 | |
| Gas facility construction business type 1 | 2016. 06. 08 | |
| Atmospheric environment specialized construction business | 2022. 03. 24 | |
| Professional firefighting facility construction business | 2022. 05. 16 | |
| Structure dismantling and scaffolding construction business | 2024. 03. 28 | |
| Industrial and environmental equipment construction business | 2024. 07. 02 | |
| Steel structure construction business | 2024. 07. 03 | |
| Manufacturing | Specific equipment manufacturing (pressure vessels, storage tanks) | 2016. 09. 23 |
| Certification | standard | Registration Date |
|---|---|---|
| Environmental management system | ISO 14001:2015 | 2016. 08. 12 |
| Safety and health management system | ISO 45001:2018 | 2016. 12. 20 |
| Certification | standard | Registration Date |
|---|---|---|
| Quality Management System | ISO 9001:2015 | 2013. 06. 14 |
| European Quality Certification | EC Examination Cert. - Diverter V/V | 2016. 08. 22 |
| European Quality Certification | EC Examination Cert. - Rotary V/V | 2016. 08. 22 |
| American Society of Mechanical Engineers | ASME STAMP - U, S | 2021. 11. 15 |
| Patent No. | Name | Registration Date |
|---|---|---|
| No. 10-1649316 | Clean rotary valve | 2016. 08. 11 |
| No. 10-1896375 | Food waste treatment device | 2018. 09. 03 |
| No. 10-1915586 | Multi-port valve | 2018. 10. 31 |
| No. 10-1975275 | Monitoring system for BOG recovery system | 2019. 04. 29 |
| No. 10-1985269 | Silo system with dust removal and mixing function | 2019. 05. 28 |
| No. 10-1649316 | Silo with the bridge crushing system | 2020. 03. 24 |
| No. 10-2126858 | Silo system capable of preventing bridge occurrence | 2020. 06. 19 |



























