W3+ FAIR
- Jena 2025
- 24.09. -
25.09.2025
Sparkassen-Arena Jena - Wetzlar 2026
- 18.03. -
19.03.2026
Buderus Arena Wetzlar
W3+ MAGAZIN

15 Years of Wetzlar Network
The Wetzlar Network is one of the most successful industry clusters in Hesse and the whole German Republic. On the occasion of its 15th anniversary, Dr. Andreas Viertelhausen, Dr. Carsten Ott, and Ralf Niggemann talk about the characteristic features of the network and the economic region.

Smart Light
Sometimes, the technological competence of medium-sized supplier companies is hidden in products of which one wouldn’t have expected it at all. ELKOTRON, for instance, develops and produces miniaturized electronic components that bring light into the darkness in a way that is both smart and aesthetic.

100 Years of Leica I
First presented to the public at the Leipzig Spring Fair in March 1925, the Leica I revolutionized the world of photography in the process. It was the beginning of a success story that is now commemorated by the company under the motto “100 Years of Leica I: Witness to a Century”.