Dso LTD Address: No 50 Hang Bai, Hang Bai Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0108421229 Phone: 0932003889 Representative: Nguyen Thi Quynh Mai Adress: No 50 Hang Bai, Hang Bai Ward, Hoan Kiem District, Ha Noi City Hang Bai Ward, Hoan Kiem District, Ha Noi CityFounding date: 5 - 9 - 2018