The 2018 Xiamen Seminar led by Sunbond Optix on July 24th, 2018.

The 2017 Hong Kong「Eyewear Business and Development」Seminar led by Sunbond Optix with the co-organizer - Hong Kong Optical Manufacturers...

The 2017 Wenzhou Seminar led by Sunbond Optix on August 18th, 2017 at the Wenzhou YuTing hotel.

The 2017 Xiamen Seminar led by Sunbond Optix on July 18th, 2017 at the Xiamen Miramar Hotel.