HELD will be closed from December 20, 2025 through January 6, 2026.

We would like to thank our customers and business partners for their trust and the successful cooperation over the past year. We wish you a Merry Christmas, relaxing holidays, and a successful start to the new year.

From January 7, 2026, we will be available again as usual and ready to support you with our full performance.

 

New whitepaper Fuel Cells

Free Download here