1. 

      <table id="wlqdz"></table><thead id="wlqdz"></thead>
      3. <del id="wlqdz"><ul id="wlqdz"><kbd id="wlqdz"></kbd></ul></del>
        <em id="wlqdz"></em>
          
精品人妻少妇一区二区,瑜伽裤国产一区二区三区,欧美熟妇丰满肥白大屁股免费视频,国模冰莲大胆自慰难受,精品久久久久久综合日本,最新精品国偷自产在线下载,久久婷婷五月综合色欧美,香蕉人妻av久久久久天天 






          
   
          
   
   
          Service Hotline
          086-577-86923687
          
   
          

          





          
	
          
    	
        
          
    
          

          

          
 
          
  
  
  
  

  

 
          

          


          
        
        
        
          
            
        
          

          









          Current Location:Home - News - Products Knowledge
          


          


          
            
          
                
            
          

          



          



        
          Method of manufacturing a standard stainless steel Head
          
          
          Release Time:2011-09-08  Views :  
                    
          
         
          Stainless steel head manufacturing method are many, such as the overall shape, stitching, welding or the like, where the stainless steel head several major manufacturing method described as follows:
          

           
          

          1 small head: Usually color disposable integral molding manufacturing methods;
          

           
          

          2, large and medium-sized head: is the most used method of production - after the first splicing molding, the standard requirements for its main purposes;
          

           
          

          3, the oversize head: because of factors such as transport and open file request to split forming, after welding together.
          

           
          

          With the rapid development of manufacturing and processing technologies, all stainless steel head processing technology are increasing.
          


          

   
          
      
         
          
            
          Key Words : 不銹鋼封頭
          
            
        
          
        
      
          
     
        
   
          
  
   
          
        
          Products
          
        
          

         
          
         
          
          
		    
          Elliptical head
          
		    
          Elliptical head
          
	    
          
                
            
          
          
		    
          Butterfly head
          
		    
          Butterfly head
          
	    
          
                
            
          
          
		    
          Spherical head spin edge
          
		    
          Spherical head spin edge
          
	    
          
                
            
          
          
		    
          Flat Head
          
		    
          Flat Head
          
	    
          
                
            
          
          
		    
          Spherical head
          
		    
          Spherical head
          
	    
          
                
            
          
          
		    
          Bow bottom head
          
		    
          Bow bottom head
          
	    
          
                
            
          
          
		    
          Conical head
          
		    
          Conical head
          
	    
          
                
            
          
          
		    
          Spherical cap shaped head
          
		    
          Spherical cap shaped head
          
	    
          
                
            
          
          
		    
          Insulation panel
          
		    
          Insulation panel
          
	    
          
                
            
          
          
		    
          Expansion Joints
          
		    
          Expansion Joints
          
	    
          
                
            
          
          
		    
          Jacket (cylinder) rotation side
          
		    
          Jacket (cylinder) rotation side
          
	    
          
                
            
          
          
		    
          Manhole flange
          
		    
          Manhole flange
          
	    
          
                
            
         
          
         
    
          



  
   
          
   
   
   
   
   
   

          








          



          
  
          
    
          
      NAVIGATION
    
          
    
  
          

  
          
    

    
          
      
      
          
        Wenzhou Shangshang Metal Products Co., Ltd. 
          
        Add : 208,Zhanhong Road,Dushan,Longwan CentralIndustry,Wenzhou
          
        Tel : 086-577-86923687 85981288    Fax : 086-577-86913687
          
        All Rights Reserved © 2016 Wenzhou Shangshang Metal Products Co., Ltd    Zhejiang ICP No. 08,005,782
        
      
          

          

            
	
          • Follow Us
            Follow Us
            • 

          


          




          


    
          


  
          










主站蜘蛛池模板：
国产一级一片内射在线|
免费无码a片一区二三区|
亚洲人成人网站18禁|
久久国产成人午夜AV影院|
中文字幕精品一二三区|
久久久亚洲AV波多野结衣|
国产日韩av免费无码一区二区三区
|
日韩成人大屁股内射喷水|
播放男人添女人下边视频|
国产一区二区三区导航|
亚洲欧美成人久久一区|
丰满人妻一区二区三区免费视频|
中国少妇久久一区二区|
久久精品国产亚洲精品色婷婷|
久久久久无码国产精品一区|
国产欧美一区二区精品性色|
深圳市|
男人添女人下部高潮视频|
影音先锋2020色资源网|
av一本久道久久综合久久鬼色|
香港三级韩国三级日本三级|
最新在线精品国产福利|
A级毛片免费完整视频|
国语自产精品视频在线看|
国产一区二区三区黄色片|
色噜噜狠狠色综合日日|
日韩在线精品视频观看|
精品无码人妻一区二区三区|
南汇区|
老司机午夜精品视频无码|
亚洲乱码中文字幕综合69堂|
色噜噜亚洲男人的天堂|
97人洗澡人人澡人人爽人人模|
国产免费人成视频在线观看播放|
国产色在线 | 国产|
久久国产精品男人的天堂av|
国产精品一在线观看|
亚洲区一区二区三区亚洲|
688欧美人禽杂交狂配|
在线观看极品裸体淫片av|
精品国产91久久粉嫩懂色|