| March |
1983 |
established as Dae Dong Industries |
| March |
1985 |
started to produce Low Fin Tube and Inner Fin Tubes |
| August |
1988 |
Incorporated under name of Dae Dong Shin Gwan co.,Ltd. |
| October |
1988 |
started to produce Heat-exchanger Tube for Turbo-Freezer,
Absorpion type Freezer, and Chilling unit such as Evaporator
and Condenser |
| March |
1990 |
nominated as a Prospective Corporation by Busan Bank |
| August |
1992 |
moved to jangrim Industrial Zone |
| January |
1993 |
obtainde Korean Standard Certificate (Registration No.
9707) |
| October |
1995 |
set up #2 Bull block and #1 Combined Drawing Machine |
| October |
1998 |
obtained ISO9002 Certificate, in the scope of Production
and service of Seamless Copper & Copper Alloy Tube |
| June |
1999 |
registered with the Cooperativ Society of Korea Heavy
industries C/L |
| July |
1999 |
equipped #2 Eddy-Current Tester |
| March |
2000 |
obtained Manufacturer Certificate from Lloyd's Register
for Copper Alloy Tubes |
