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          2024 Changchun Intl Optoelectronic Expo opens
          
        
          
      
          
      
          
        
          
          chinadaily.com.cn |
          Updated: 2024-06-19 11:32
          
          
          
          
        


        
      
          
      
          
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   A staff member from the Changchun University of Science and Technology demonstrates a minimally invasive surgical navigation system at the 2024 Changchun International Optoelectronic Expo in Changchun, Northeast China's Jilin province, on June 18, 2024. [Photo/Xinhua] 
 
           

           

          
        
          

        
        
      
          
        
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