| Date | Title, short description | |
|---|---|---|
| 10.09 12.09.2012 | China International Optics Fair (CIOF) - 2012  (Beijing) 25th China International Optics Fair | |
| 22.02 24.02.2012 | China (Shanghai) International Optics Fair (SIOF) - 2012  (Shanghai) International Optics Exhibition |