Precision Safety Diagnosis Service of Hacheon Bridge |
2011 |
Chungcheongbuk-do Road Management Office Chungju Branch |
 |
Precision Inspection Service of Mokhaeng Bridge |
2011 |
Chungju |
 |
Precision Inspection Service of Dalcheon Overbridge |
2011 |
Chungju |
 |
Precision Inspection Service of Cheomdan Bridge |
2011 |
Chungcheongbuk-do Road Management Office Chungju Branch |
 |
Precision Inspection Service of Janghowon Bridge |
2010 |
Eumseong |
 |
Precision Inspection Service of Yusumak Bridge |
2010 |
Chungju |
 |
Precision Safety Diagnosis Service of National Highway No.3 Haengchon Bridge |
2009 |
Chungju |
 |
Precision Safety Diagnosis Service of National Highway No.36 Doan Pedestrian Overpass |
2009 |
Chungju |
 |
Precision Inspection Service of National Highway No.3 Josan Bridge and 10 other sites |
2009 |
Chungju |
 |