E.I .was founded in 2019,we are power bank and outdoor power supply manufacturer,we have many experience in this field,we also can offer OEM/ODM service. we have our own factory,so don`t worry about the goods,we also have many types in  power bank and outdoor power supply,and we will offer you the best price with the best quality,and we also have many customers in USA. India,middle east and Europeanmarket, so that we have many experience in the global market and welcome to our factory to visit