| date | caption | briefing | audio and video | |
| 2025.06.05 | fht was invited to participate in a corporate forum organized | briefing | seminar | |
| 2024.12.20 | fht was invited to participate in a corporate forum organized | briefing | seminar | |
| 2023.05.22 | fht was invited to participate in a corporate forum organized by a kgi securities | briefing | seminar | |
| 2021.11.29 | fht was invited to participate in a corporate forum organized by a kgi securities | briefing | not applicable | |
| 2020.05.15 | fht was invited to participate in a corporate conference call by a primasia securities | briefing | not applicable |
| 2017.11.16 | fht was invited to participate in a corporate forum organized by a unified securities | briefing | not applicable |
| date | caption |
| 2023.05.22 |
fht was invited to participate in a corporate forum organized by a kgi securities |
| 2021.11.29 |
fht was invited to participate in a corporate forum organized by a kgi securities briefing:briefing | audio and video:not applicable |
| 2020.05.15 |
fht was invited to participate in a corporate conference call by a primasia securities briefing:briefing | audio and video:not applicable |
| 2017.11.16 | fht was invited to participate in a corporate forum organized by a unified securities briefing:briefing | audio and video:not applicable |