We will constantly strive to develop new technologies to meet the more advanced technical requirements of our customers and to develop new markets.
| 1979. | Established Daejung Industry Co., Ltd. |
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| 1994. | Changed Company Namre from Daejung Industry Co., Ltd. to Daejung Chemical Industry Co., Ltd. |
| 1997. | Relocated the plant of Daejung Chemical Industry Co., Ltd. to Guro-dong, Seoul |
| 2003. | Daejung Chemical Industry Co., Ltd. acquired ISO9001 |
| 2005. | Relocated the plant of Daejung Chemical Industry Co., Ltd. to Paju, Gyeonggi-do and |
| Changed the name of company from Daejung Chemical Industry Co., Ltd to Daejung Polytech Co., Ltd. | |
| 2006. | Designated as Clean Workplace |
| 2010. | Designated as the Department dedicated to corporate R&D |
| 2011. | Acquired INNO-BIZ Certification |
| 2011. | Acquired Venture Company Certification |