<ul id="8iay2"><pre id="8iay2"></pre></ul><ul id="8iay2"></ul>
<strike id="8iay2"></strike>
  • 
<samp id="8iay2"></samp>
    <ul id="8iay2"></ul>
    

    <tr id="8iay2"></tr><strike id="8iay2"><s id="8iay2"></s></strike>
    <ul id="8iay2"></ul>
    



		
    
			
    
	
	
    
   
   
   
  
    
	
			
	
    
		
		
	
    
	
    
	

    

    

    


    

    “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.

    

    

    
	









    


      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      

      
      
     
      
	
    

	
    Previous Page [ Page  of 4 ]  Next Page 
    


    

    		

    
	
    
					
    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
    
    
    
    
    Wechat Service Number
    

    

    
			
		
		
		
	


奇米影视国产精品四色|
亚洲欧美日韩中文字幕一区二区三区
|
国产亚洲精品自在久久|
亚洲精品国产电影|
日韩AV无码精品人妻系列|
国内精品久久久久影院蜜芽|
亚洲精品永久在线观看|
亚洲午夜精品一区二区公牛电影院|
久久久久久国产精品mv|
国内精品在线视频|
国色精品va在线观看免费视频|
精品99久久aaa一级毛片|
亚洲国产精品13p|
日韩福利视频精品专区|
国产日韩精品一区二区在线观看
|
国产A三级久久精品|
精品人妻无码专区中文字幕|
亚洲国产小视频精品久久久三级|
天天视频国产精品|
日本一区二区三区精品国产|
亚洲av无码日韩av无码网站冲|
亚洲日韩精品无码专区网站|
日韩一区二区三区免费播放|
日韩蜜芽精品视频在线观看|
日韩大片在线永久免费观看网站
|
日韩精品人妻一区二区中文八零|
国产精品小黄鸭一区二区三区|
国产精品嫩草影院久久|
亚洲国产精品碰碰|
亚洲精品天堂成人片?V在线播放|
jizz国产精品网站|
国产成人无码精品久久久久免费|
国产精品美女久久久免费|
国产精品综合久成人|
久久国产香蕉一区精品|
国产午夜亚洲精品理论片不卡|
成人无码精品1区2区3区免费看|
国产在线精品一区二区高清不卡|
91麻豆精品国产自产在线观看亚洲|
伊人久久国产精品|
久久国产精品久久|