Dear Sir,Shenzhen Eflow Electronic Co. Ltd. is devoted to providing you network spare parts, memory, photoelectric device as well as the electronic switch sensor of fine quality. Following are our products,1. Cisco Router, WIC&NM module2. GBIC &SFP module3. Network device & Server memory4. Low voltage distribution, Electric measuring meter & Sensor Welcome to your enquiry!Yours Cordially, ^_^Helen Sales Executive ICQ: 336903946 MSN:shesales. hotmail.comTel: 86-755-2667 2909, MP: 86-137 9831 2114 Fax: 86-755-2688 6115Website: www.eflow.cn