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Expo in Changchun promotes innovation in optoelectronics

By Han Junhong in Changchun and Zhou Huiying | chinadaily.com.cn | Updated: 2026-06-15 19:58

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The third Changchun International Optoelectronic Expo and Light Conference and the Chinese Optical Society Changchun Annual Conference kicked off on Friday in Changchun, Jilin province. [Photo by Ding Luyang/chinadaily.com.cn]

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