Dau Tu Phat Trien Dich Vu Ky Thuat Ba Dinh Joint Stock Company Address: No 1130, La Thanh Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0109008127 Phone: 0962038805 Representative: Tran The Dam Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 28 - 11 - 2019