31st Lanzhou investment and trade fair draws global participation
    
        
    
      
    
      
    
        
          
          Xinhua |
          Updated: 2025-07-07 11:12
          
          
          
          
        


        
      
    
      
    
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   An exhibitor introduces medical diagnosis and treatment products during the 31st China Lanzhou Investment and Trade Fair in Lanzhou, Northwest China's Gansu province, July 6, 2025. [Photo/Xinhua] 
 
     

     

        
    

        
        
      
    
        
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