Dau Tu Va Cong Nghe B-One LTD Address: O 2, Lot 6, Den Lu 1 Urban Area, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0108232091 Phone: 02485861975 Representative: Nguyen Thi Ha Bac Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 12 - 4 - 2018