• <rt id="ttfna"><meter id="ttfna"></meter></rt>
    <td id="ttfna"><optgroup id="ttfna"></optgroup></td><track id="ttfna"><mark id="ttfna"></mark></track>
    

    <form id="ttfna"></form>
  • <small id="ttfna"></small>
    

        1. 


    

          
		
          
			
          
					
				
          
					
					
					
				
          
				
			
          
		
          
	
          

    
          
        
    
          

    
          
        
          
            
            
        
          
    
          

    

    
          
        
          
            
          
                
          
                    
          Channel steel
          
                   
                    
                
          
     
          
					
          Main material
          Q235B. In line with the GB/T700-2006;
          	  
          Surface treatment
          Galvanized sheet (containing zinc, aluminum and magnesium); Hot-dip galvanizing;
          Galvanized sheet (containing zinc, aluminum and magnesium), the thickness of zinc layer is 20 meters (275g/㎡), which conforms to GB/ t2518-2004; Hot-dip galvanized, the zinc layer thickness is not less than 60 meters, in accordance with GB/ t13912-2002.
          	
				
          
            
          
            
          
                
          	
          	
          	
          
            
          
        
          
        
          
            
          
                
          Channel steel Series product list
          
                
          
            
          
     	
            		
          
		<1>
			
          
			 	
        
          
    
          

    


          
    
          
        
          
            
            
          
                
          Customer service lines
          
                
          400-666-1688
          
            
          
            
            
          

                
                
          
                    
          
                        
                    
          
                    
          Wechat platform
          
                
          
                
                
          
                    
          
                        
                    
          
                    
          Official website
          
                
          
                
            
          
            
            
            
          
                
          Copyright ?2019 深圳優(yōu)力可科技股份有限公司 All Rights Reserved  
          粵ICP備18099211號-1Powered by vancheer
          
               
            
          
        
          
        
        
          
            
          Contact address
          

            
            
          
                
          Shenzhen Headquarters：
          
                
          No.1006,10th Floor,Geya Building,Gongming Nanhuan Road,Guangming District,Shenzhen Guangdong Province, China
          
                
            
          
            
            
          
                
          Production base：
          
                
          Xihai industrial zone, jun'an cangmen village, shunde district, foshan city
          
                
            
          
            
        
          
        
        
        
          
            
            
          
                
          Copyright ?2019 深圳優(yōu)力可科技股份有限公司 All Rights Reserved  
          粵ICP備18099211號-1Powered by vancheer
          
                
            
          
        
          
    
          

          

          
    
          
        
          
            
        
          
        
          Back to top
          
    
          

          















    

超碰在线之好吊操,你一级黄色片中文字幕,中文字幕乱码熟女免费,亚洲中文字幕视频在线


        2. <rt id="ttfna"><meter id="ttfna"></meter></rt>
          <td id="ttfna"><optgroup id="ttfna"></optgroup></td><track id="ttfna"><mark id="ttfna"></mark></track>
          

          <form id="ttfna"></form>
        3. <small id="ttfna"></small>
          

              1.