Ket Noi Du Hoc Alpha LTD Address: No 205 Khuat Duy Tien, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109117084 Phone: 0934565798 Representative: Tran Thi Minh Duc Adress: No 47, Lane 426/48, Lang Street, Lang Ha Ward, Dong Da District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 5 - 3 - 2020