被使劲艹的视频在线观看,国产主播第一页,国产福利资源网在线观看,欧美综合国产精品日韩一

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亚洲欧美日产综合在线看,欧美毛茸茸的浓密美阴鲍







 
 







      
	
      
    	
    
      
    
      
    	
      
        	
            
      
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Telephone： 0086-13278866406
      

Company address： No. 12 Yongtai Road, Liuyang Economic Development Zone, Changsha City, Hunan Province
      
		
      
		
      
			
		
      
	
      
	
      
    	
				

      



      
    	
      
        
      
            
                Cold drawn tube
            
        
      
        
      

      

      
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      Cold drawn tube
      
  
      High-precision cold-drawn seamless tubes, cold-drawn tubes for oil cylinder, scrape rolling tubes
      
  
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      Hotline：0086-13278866406
      

    
      
    
      



    
      
    
  
        
  

       

   
    
      

 
       
 
 
      

      Providing high quality and satisfied products to customers is the company's target. The raw materials are supplied by large steel companies such as Hunan Valin Steel Pipe Co., Hubei Daye Steel Tube Co.,etc. Our company has 400 tons hydraulic cold drawn machine. We produce precision cold drawn pipe, Honing pipe, scrape rolling tube of various specifications and materials from diameter 100mm to 325mm.

       

      


 


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                   Company address：No. 12 Yongtai Road, Liuyang Economic Development Zone, Changsha City, Hunan Province
      
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