- 2022.6.28
- Changes of board members.
- 2021.6.28
- Changes of board members.
- 2021.3.23
- Reorganization
- 2020.11.1
- Reorganization
- 2019.6.26
- Changes of board members.
- 2019.3.29
- Changes of board members.
- 2018.11.19
- Changes of board members.
- 2015.10.1
- Amendment of the organization.
- 2015.3.26
- Amendment of the organization.
- 2015.2.18
- Transition of the management.
- 2014.5.1
- Transition of the management.
- 2014.1.1
- Transition of the management.
- 2013.10.1
- Amendment of the organization.
- 2013.4.1
- Transition of the management.