Tech shines at fair for trade in services
    
        
    
      
    
      
    
        
          
          chinadaily.com.cn |
          Updated: 2020-09-08 11:24
          
          
          
          
        


        
      
    
      
    
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   A visitor interacts with a robot which can serve ping pong balls at the service robots exhibition area of the 2020 China International Fair for Trade in Services in Beijing on Sept 7, 2020. [Photo/Xinhua] 
 
     

     

        
    

        
        
      
    
        
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