Images record Gaoping's 40-year journey
    
        
    
      
    
      
    
        
          
          chinadaily.com.cn |
          Updated: 2018-08-16 07:00
          
          
          
          
        


        
      
    
      
    
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   A pipe-casting plant at Xi'nanzhuang in 1988. [Photo by Qin Hongyu/cpanet.org.cn] 
 
     

     

     
  
 
    
   The nation's largest casting group in 2008, which produced pipes for the venues of 2008 Beijing Olympics. [Photo by Qin Hongyu/cpanet.org.cn] 
 
     

     

          
        
    

        
        
      
    
        

        

      
    
      

    
    
    
    

      
    

        
      
    

    
    


    
    
      
    

        
    
        
    
        
      
    
      
    

        
    
          
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