Certification
KS Mark
| Item | Type | Certification no. | Date of certification | Certifying authorities | Remarks |
|---|---|---|---|---|---|
| Cutting oil | KS M 2173 | No. 3893 | Mar. 1985 | Korean Standards Association |  |
| Hydraulic oil | KS M 2129 | No. 00-1500 | Aug.2000 | Korean Standards Association |  |
| Machine oil | KS M 2126 | No. 01-1826 | Jan. 2001 | Korean Standards Association |  |
| Gear oil | KS M 2127 | No. 01-1827 | Jan. 2001 | Korean Standards Association |  |
| Lubricant for internal combustion engine | KS M 2121 | No.99-1008 | May 2018 | Korean Standards Association |  |
| Automatic transmission | KS M 2125 | No.03-4606 | May 2018 | Korean Standards Association |  |
| Heat treatment oil | KS M 2170 | No.97-10-073 | May 2018 | Korean Standards Association |  |
KSA/ISO certification
| Item | Type | Certification no. | Date of certification | Certifying authorities | Remarks |
|---|---|---|---|---|---|
| Environmental management system certification | KS I ISO 14001:2015 / ISO 14001:2015 | EMS-0229 | 2004.10.12. | Korean Standards Association |  |
| Quality management system certification | KS Q ISO 9001:2015 / ISO 9001:2015 | QMS-1949 | 2004.10.12. | Korean Standards Association |  |
| Safety and health management system certification | KS Q ISO 45001:2018 / ISO45001:2018 | HSS-0339 | 2022.10.05. | Korean Standards Association |  |