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| 1978 |
| SAMHAN C1 Co., Ltd established |
| 1997 |
| Acquired ISO 9002 (KQC-0480) certification for meeting international quality standards |
| 2001 |
| Acquired JIS mark (KSKR0130) for meeting Japanese Industrial product standards |
| 2005 |
| Recognized for Quality Product (2005066) for luminous colored clay brick by the Administration of Supply |
| 2006 |
| Designated as Technical and Innovational Small- and Medium-sized Enterprise (INNO-BIZ) |
| 2008 |
| Designated as an Eco-Innovation Company by the Daegu City Government. |