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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                Cold drawn tube
            
        
            
        
            

            

            
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            Cold drawn tube
            
  
            High-precision cold-drawn seamless tubes, scrape rolling tubes, honing tubes, etc
            
  
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            ? ? ? ?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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