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    Dongguan Daying Electronic Technology Co., Ltd.
    
    
      
    
        
      
    
    
    
      
    
	  
    
        
    
          
          
        
    
      
    
        		
  
    

    

    
  
    
    
  
  
  
  

  
    

    





    
  
    
     
	
	
  
    

    

    
  
    
    
    
      
    
        
          
      
    
    
    		
    
    
      
    
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          HomeProductsGSM Alarm System SeriesDY-GSM30C
        
    
      
    
	  
    
        
    
          
    
            
    
              DY-GSM30C
              DY-GSM30C>>DY-GSM30C
            
    
            
    
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        Copyright ? 2011 Dongguan Daying Electronic Technology Co., Ltd. All Rights Reserved 
    
          Address：5th Floor, D #, Futai High-Tech Park, No.8 Qingfeng South Road, Tangxia Town, Dongguan City,  Guangdong Province, PRC China.　Tel：86-769-82553706     82553753　
    
          Website：http://www.directorhodge.com　E-mail：ls@dygsm.com　Post：518000    		
      
    
    
    		
  
    

    

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