HECLA and FO-DTS

06/10/2017|

Within the framework of its various markets with the Transmission System Operators, HECLA carries out for 4 years the services of Thermal Measures of [...]

Hecla and art

14/04/2013|

After numerous appearances of interest punctuated by participations in artistic events in France and abroad, as in Iceland in 2007, by the support for [...]