Hydro Air Concept is indeed a technology being developed by HACE (Hydro Air Concept Energy), a French-based company that specializes in wave energy technology.

HACE and HACEOSLAR have formed a partnership in the Maldives where HACE is responsible for providing technical support, and HACEOSLAR is responsible for handling other important aspects of the business.

This partnership can be particularly useful in situations where Hace has expertise in a specific area, like technical support, while the HaceOslar has expertise in other areas. By working together, both companies can leverage each other's strengths to create a more successful business or project.

HACE is actively testing and developing their Hydro Air Concept technology, and has received support from various organizations and investors for their efforts.