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			  		  Supply 3 N, 4N, 5N, 6N metal silicon, polysilicon solar energy (99.9999%), single crystals silicon  and a variety of different size metal silicon powder; supply 5 N germanium dioxide (Geo2) , 6N germanium (Ge) ingot;Complete sets of silicon and germanium production (smelting) equipment and technology. Recovery of germanium materials, ores containing germanium, containing germanium waste----youhen(beijing),[email protected](24h) | 
             
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              | silicon, germanium, powder, crystals | 
             
           
            
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                      | Company :  | 
                      youhen(beijing)silicon and germannium inc | 
                     
                    
                      | Email:  | 
                       Contact us   | 
                     
                    
                      | URL:  | 
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                      | Country :  | 
                      China | 
                     
                    
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