 2022.10 Shanghai Establishment of the 18th Anniversary Sports Meeting Locaton：In Front of Company 2022.06 Shanghai Work Resumptionresumption After epidemic prevention and controlepidemic（Group Photo) Locaton：In Front of Company 2021.3.17~3.19 LASER World of PHOTONICS CHINA Booth No. W5.5571 Location：SNIEC(Shanghai New International Expo Centre) 2020.07 Shanghai LASER World of PHOTONICS CHINA 2019.07 Tokyo, Japan All about photonics Japan 2019.11 Wuhan, CHINA Optics Valley of China International Optoelectronic Exposition and Forum( OVC Expo Wuhan) 2019.10 Taipei, CHINA Internationnal Optoelectronics Expo WEEK(OPTO Taiwan) 2019.06 Munich, Germany LASER-World of Photonics 2019.05 Seul, Korea |