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			  		  This is Dongguan Shuanghui Electronic Company,  
we are prefessional manufacturer in calculator, calendar, electronic office products etc. and have our own R&D department, tooling market, plastic injection, pait and printing workshop, PCB population, assembly group to meet the customer requirements. | 
             
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              | Magic case calculator, Desktop calculator, Mirror calculator, Notebook calculator, Gift calculator, Card calculator, Pocket calculator, Straightedge calcualtor, Dual power calculator, Cardcase calculator, Calendar | 
             
           
            
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                      | Company :  | 
                      Dongguan Shuanghui Electronic Co.,Ltd. | 
                     
                    
                      | Email:  | 
                       Contact us   | 
                     
                    
                      | URL:  | 
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                      | Country :  | 
                      China | 
                     
                    
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