| Nov, 2025 | Published on the Shibushi City website "Reiwa 7 Corporate Edition Hometown Tax Utilization Project". |
| Dec, 2024 | Published on the Shibushi City website "Reiwa 6 Corporate Edition Hometown Tax Utilization Project". |
| Sep, 2024 | The factory has been registered as the head office, and the Fukuoka head office has been changed to the Fukuoka branch. |
| July,2024 | Water quality testing for PFOS and PFOA resulted in a target value of 0.00005 or less (tentative).” |
| Jan, 2024 | Published on the Shibushi City website “Reiwa 5 Corporate Edition Hometown Tax Utilization Project” |
| Jul, 2023 | Donation ceremony for Sagin SDGs Private Placement Bonds |
| Jul, 2023 | Consignment of Saga Bank SDG S Private Placement Bonds |
| Apr, 2023 | Kirishima yuusui was posted on ”Corporate version hometown tax utilization project" Shibushi City official website |
| Oct, 2021 | Our company concluded a location agreement with Shibushi City |
| Dec, 2020 | Exhibited on the Shibushi City hometown tax special site |
| Dec, 2020 | Donation Presentation Ceremony Accompanying Underwriting of “Miyagin CSR Private Placement Bonds” |
| Nov, 2020 | About underwriting of “Miyagin CSR private placement bond (nickname: With)” |
