Tu Van Ha Tang Do Thi Viet Nam Joint Stock Company Address: No 10, Lane 28/5, Duong Khue Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0108059880 Phone: 0934524369 Representative: Nguyen Van Cong Nguyen Van Quang Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 4 - 12 - 2017