|
| 2007. 05 |
in KINTEX "ROTREX International Road Exposition" |
|
|
| 2007. 05 |
patent No. 0722220 for "Bridge earthquake-resistance system for 포트받침" |
|
|
| 2007. 06 |
partnership with Softelec, Japan |
|
|
| 2007. 07 |
chronology partnership with Dongbang Engineering Co. |
|
|
| 2007. 07 |
as KIBO's "A+Member" |
|
|
| 2007. 07 |
patent No. 10-0741718 for "Pre-stressed friction-reducing shear key" |
|
|
