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Changchun optoelectronic expo wraps up
June 16, 2025
The closing news conference of the 2025 Changchun International Optoelectronic Expo on June 13 marked the end of this highly successful three-day event.
Jilin province, also called "Ji" for short,
is located in the central part of Northeast China.
It covers an area of 187,400 square kilometers and has a population of 23,476,900.