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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 
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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
    
				
    

    
	
    
    
    	
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