Sino Electron Co., Ltd. Zhejiang is an enterprise group integrating research, development, manufacture, and marketing together. We mainly line with mobile phone charger accessories for iphone, ,bluetooth car handsfree kit.we now have four series products. They are 1.Power Bank series 2.Backup battrey for iPhone sreies 3.Universal charging station series 4.Portable power station for iPhone series 5.mobile phone protection series. Most of our products got intellectual property and ...