Should you are interested in our products or have any questions, pls do not hesitate to contact us. Thanks & have a great day!David QinExport ManagerSpeeda Electronic MFG Ltd. 208-2A 6th Bldg.Yuan Ming Yuan Garden,Haidian Dist, Beijing, China 100091 Email: ! URL: /chinaspeeda ^~^SPEEDA Your Most Valuable IT Business Partner!^~^ Origin China