A4i LTD Address: No 166D, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0108542551 Phone: 0904339922 Representative: Vu Tuan Cuong Adress: No 166D, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 11 - 12 - 2018