Doi Tac So Joint Stock Company Address: 3rd Floor, Ac So 3 Building, Lane 78, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0109782940 Phone: 0985103016 Representative: Dang Thi Them Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 19 - 10 - 2021