Viettel Hoa Hai LTD Address: 535 Le Van Hien, Khue My Ward, Ngu Hanh Son District, Da Nang City Enterprise code: 0402066730 Phone: 0917027779 Representative: Tran Ngoc Thao Khue My Ward, Ngu Hanh Son District, Da Nang CityFounding date: 2 - 11 - 2020