信用评级
| 区分 |
 NICE信用评价
|
 韩国企业评价
|
 韩国信用评价
|
 Fitch Ratings
|
 Moody’s
|
|---|---|---|---|---|---|
| 2018 | AAA | AAA | AAA | A+ | A1 |
| 2017 | AAA | AAA | AAA | A+ | A1 |
| 2016 | AAA | AAA | AAA | - | - |
| 2015 | AAA | AAA | AAA | - | - |
| 2014 | AAA | AAA | AAA | - | - |
| 2013 | AAA | AAA | AAA | - | - |
| 2012 | AAA | AAA | AAA | - | - |
| 2011 | AAA | AAA | AAA | - | - |