Shenzhen Yongjiatong Technology Co.,ltd is an advanced enterprice specilized in developing, researching and selling portable mobile charger .We have numbers of professional IC engineer,more than 2000 square metre total self-motion non-dust plant.All the products are protected by many patent of the Country,have passed lots of oversea certification such as FC,CE,ROHS and so on.We use international brand material,there is lots of protector inside which is high security.Our product is suitable for NOKIA\IPHONE/IPOD\DOPOD\BLACKBERRY mobile phone and MP3,MP4 etc digital device. we always take up with offerring high quality products and solving plans for costomers.Providing high quality good,serve well,create good value for the customers ,and get mutural benefit.