System Files
| Articles of Association | 2008.08 | |
| Rules of Shareholders Meeting | 2007.12 | |
| Rules of The Board of Director | 2007.12 | |
| Rules of Board of Supervisors | 2007.12 | |
| The internal reporting system of major information | 2007.12 | |
| Information Disclosure Management System | 2007.06 | |
| Investor Relations Management System | 2005 | |
| Independent Director System | 2005 |
