1970. 08. 01 |
Established Samsung Slate Industry. |
1970. 08. 17 |
Started building slate factory. (No. 34 of Chonju industrial complex) |
1970. 10. 05 |
Finished building slate factory. |
1971. 08. 15 |
Enlarged factory for 2nd processing concrete product. |
1972. 01. 17 |
Registered Chonju factory. (S-shaped tile, blocks for sidewalk) |
1973. 01. 22 |
Registered Chonju factory. (S-shaped tile, blocks for sidewalk, and border, pipe) |
1976. 01. 20 |
Built centrifugal reinforced concrete factory. |
1977. 08. 18 |
Acquired KS Mark in Chonju factory. (4001, 6, 4403) |
1977. 11. 07 |
Incorporated Chonju factory. |
1978. 01. 01 |
Registered business of Chonju factory. |
1979. 03. 01 |
Started building Chonju Ready-Mix concrete factory. |
1979. 10. 01 |
Finished building Chonju Ready-Mix concrete factory. |
1981. 08. 27 |
Acquired KS Mark in Chonju factory. (KS F 4009) |
1982. 04. 01 |
Finished building PC Beam manufactory. |
1983. 08. 18 |
Acquired reinforced concrete construction license. |
1983. 12. 01 |
Acquired public works license. |
1984. 03. 01 |
Built Chon-up factory. |
1984. 04. 01 |
Registered business of O-soo branch. |
1984. 08. 01 |
Built Nam-won factory. |
1984. 09. 09 |
Registered business of Nam-won branch. |
1985. 01. 18 |
Registered Nam-won factory. |
1985. 02. 06 |
Registered Chong-up factory. |
1985. 04. 29 |
Acquired KS Mark in Nam-won factory. |
1985. 08. 23 |
Acquired KS Mark in Chong-up factory. |
1986. 06 |
Sold the license of public works and reinforced concrete construction. |
1987. 03. 13 |
Built O-soo factory. |
1987. 04. 18 |
Passed inspection of military supply maintenance. |
1989. 05. 30 |
Registered O-soo factory. |
1989. 12. 28 |
Acquired KS mark in O-soo factory. |
1990. 03. 08 |
Returned license of blocks for sidewalk and border voluntarily. |
1995. 01. 23 |
Returned KS Mark of centrifugal reinforced concrete pipe voluntarily. |
1997. 03. 04 |
Acquired ISO 9002 certification in Chonju factory (KSA-OA) |