CIOF - CHINA INTERNATIONAL OPTICS FAIR
Time 8 Sept 2021: 09:00 - 18:30 9 Sept 2021: 09:00 - 18:30 10 Sept 2021: 09:00 - 15:00 CO-ORGANIZER: Orient International Exhibition Co., Ltd.,..
détails September 8 - 10, 2021
Pékin, Chine