W3 + FAIR WETZLAR 2025 will be held 2025/03/19, at the Rittal Arena Wetzlar in Wetzlar (Germany). DescriptionOptics, electronics and mechanics exhibition. W3+ FAIR attracts product developers from precision, systems engineering, measurement technologies, mechatronics, microsystems and nanotechnologies The following is the detailed information of this exhibition. Since the exhibition time may change, please be sure to confirm it before participating.