Shenzhen JW Electronics Co.,ltd. is a Factory , which specializes in designing, manufacturing and selling external battery ,Ploymer battery more than 10 years, Nowdays Powerbank together with other various accessories For iPhone/iPad/iPod to be our main products .. .Such like stylus pen .docking stationCar/Travel chargers etc.... We have an over 10,000 square meters factory and about 500 staff members, including more than 20 professional engineers. We can make sure high quality products ...