From February 20, 2025 until February 22, 2025
Nan Shanghai - Shanghai New International Expo Centre (SNIEC), Shanghai, Lachin
852-27893220
https://www.siof.cn/eng/fairinfo.php
kategori: Elektrik & Elektwonik, Fashion & Bote, Syans ak Rechèch
Frape: 41941
23yèm Fwa Entènasyonal Optik Lachin nan Shanghai (SIOF2025).