Thuong Mai Va Dich Vu Ky Thuat Hoang Anh LTD Address: Bai Hamlet, Thanh Tri Commune, Thanh Tri District, Ha Noi City Enterprise code: 0101385243 Phone: 0913087856 Thanh Tri District, Ha Noi CityFounding date: 18 - 7 - 2003