| YEAR |
CONTENTS
|
| 1974.03.06. |
E Hwa Chemical industry co. founded
(332 Naenam Dong Donggu, Kwang-ju) |
| 1974.04.15. |
Plant equipment registered (Kwang-ju
own number 31-9) |
| 1974.08.20. |
Fabricating aluminum sulfate supplying,
Kwang-ju City hall with medicals for clean water (Starting sale) |
| 1982.11.02. |
Attending Daehan aluminum sulfate
industry cooperation association and were assigned to a supplying
enterprise from Office of supply. |
| 1986.11.01. |
Conversed to E Hwa industry co. |
| 1988.06.09. |
Water disposal manufacturing industry
approved. (Minister of health and social Affairs No. 29) |
| 1990.12.22. |
Assigned as prospected corporation
by small and middle sized enterprise band (small and middle sized
enterprise bank No. 90081) |
| 1992.11.26. |
Completion of Youchon plant by
E Hwa industry co. (ground 6,880m2 , floor space : 2,311m2 ) |
| 1994.09.01. |
Completion of E Hwa industry co.
main office and Hanm plant (ground 6,611m2 , floor space : 1,426m2 ) |
| 1995.04.15. |
Assigned as prospected technique
company(Administration of small and middle sized businesses assigned
No.96140) |
| 1997.01.24. |
Korea industry size(KS) certification
approved KS M 1415 liquid sodium silicate : 3 sorts (National technique quality
director No. 97-08-002) |
