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    “Complete sincerity can affect even metal and stone”
    

    

    Zhengda peoples hardworking receive praise from all the industry from society, and gain the trust from nationwide clients.
    "Tianhong"qualified galvanized pipe, spiral pipe, square and rectangular pipe,steel-plastic 
    composites pipe were used in major construction projects of nation, province and city.

    

    

    
	









    


      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      
	
    

	
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    No.9, Juliang Ave, Cheng'an Industrial Zone, Handan, Hebei
    
					
    Qian'an Zhengda: North of Shuangma Road, Zhaodianzi Town, Qian'an, Tangshan, Hebei Province
    
					
    Shanxi Zhengda: Houbei Industrial Park, Houma City, Shanxi Province
    
				
    

    
	
    
    
    	
    hotline
    
        
    TEL：+86-310-5231366/758/756/996
    
ADD：No. 9 Juliang Avenue, Chengan Industrial Zone, Handan City, Hebei Province
    
    
    
    
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