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01. |
Established YUHUNG CHEMICAL CO. |
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| 10. |
Ulsan plant expansion |
| 12. |
HSD Development and production start (patented) |
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11. |
Natural oil. Inorganic coagulant complete HOC study (patented) |
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03. |
Established in YUHUNG Chemical Co., Ltd. |
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| 03. |
Development of natural organic flocculants with pulp |
| 06. |
Fluoride. N-T remover Development |
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01. |
Established Daegu office and Busan Office |
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06. |
Established branch office in Suwon and branch office in China |
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01. |
EFT (Environment Future Technology) Renamed |
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Now |
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