久久一日本道色综合久久不,99久久无码一区人妻A黑,国产精品爆乳在线播放,国产精品一区无码专区

  • <b id="9ocva"></b>
    

    • 

    <blockquote id="9ocva"></blockquote>
    


    



     
    

    

    

    Main Products
    

    
  
  
    
  
    
  
      

      • 

      • 

    

    


    

    

    


    
           
    
       
    
        
    
       	    
    
          
          
    
            Products Grade: C10C、C8C
          
    
          
    
            Specifications: Φ6.5-40 mm
          
    
          
    
            Applied Standard:  Q/XG123
          
    
          
    
            Characteristics: The product is used to produce vehicle parts of German car and cold -forming parts.

          
    
          
    
            Applications: Common parts
           
    
      
        
    
      
    

    Use of Products: The product is used to produce vehicle parts of German car .It is also can be used to produce fastener of grade 4.8 to 6.8 and non-standard parts. The product has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, good surface quality, high accuracy of geometric dimensions, low rate of cracking.