2024 Changchun Int'l Optoelectronic Expo held in NE China
Time：2024-06-20 16:51:57Source：Xinhua
Visitors look at the model of Tianwen-1 high-resolution imaging camera during the 2024 Changchun International Optoelectronic Expo in Changchun, northeast China's Jilin Province, June 18, 2024.
The 2024 Changchun International Optoelectronic Expo kicked off here on Tuesday, with 675 companies displaying latest products and high-tech innovations in the optoelectronic industry.
