Announced details
Securing water during disasters, everyday use, and BCP and disaster-prevention measures for companies, local governments and other organizations
JBサステナブル loaned an AirQua free of charge to Kosa Town Hall. 株式会社Ray of Water, the product's developer, assisted with the installation and provided instructions on its use. In September 2025, JBサステナブル entered into a comprehensive business alliance agreement with 株式会社Ray of Water, including all sales rights for AirQua.
A local government located in Kamimashiki District, Kumamoto Prefecture. The mayor is Kai Takashi (甲斐高士). The earthquake is reported to have affected essential infrastructure, including water services.
First-floor hall of Kosa Town Hall
Loaned free of charge
The company does not address Contract Value / Impact on Business Performance.
| Item | Details |
|---|---|
| Names of Products / Services Covered | AirQua water-producing machine |
| Counterparty | Kosa, Kamimashiki District, Kumamoto Prefecture |
| Counterparty overview | A local government located in Kamimashiki District, Kumamoto Prefecture. The mayor is Kai Takashi (甲斐高士). The earthquake is reported to have affected essential infrastructure, including water services. |
| Relationship with the Company | JBサステナブル loaned an AirQua free of charge to Kosa Town Hall. 株式会社Ray of Water, the product's developer, assisted with the installation and provided instructions on its use. In September 2025, JBサステナブル entered into a comprehensive business alliance agreement with 株式会社Ray of Water, including all sales rights for AirQua. |
| Offering price | Loaned free of charge |
| Contract Date | September 2025 (comprehensive business partnership agreement with Ray of Water Co., Ltd.) |
| Launch date | 16 August 2026 (installed at the Kosa Town Office; actual date) |
| Applicable area | Securing water during disasters, everyday use, and BCP and disaster-prevention measures for companies, local governments and other organizations |
| Location | First-floor hall of Kosa Town Hall |
Items this document does not state (9)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.To support Kosa, where the 2026 Kumamoto Earthquake that occurred on 28 July 2026 affected essential infrastructure, including water services, and to help secure water supplies.