Dau Tu Va Dich Vu Dong Bac Joint Stock Company Address: Lot E9, Pham Hung Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0109787804 Phone: 02395697309 Representative: Nguyen Thi Thai Duong Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 22 - 10 - 2021