Group Tragsa
Cliente
Installations
Categoría
SEDE
The general public is reminded that the only authorized means of contact and communication by Negratín is via email with the domain “<username>@negratin.com”. If you have received communications from other sources, please confirm the request with our team and report the incident to the following email: canaldedenuncias@negratin.com. We remind you that all commercial transactions must be conducted exclusively through authorized channels.