Dich Vu Du Lich Va Thuong Mai Hoang Son LTD Address: 1/19, 256 Le Thanh Nghi Lane, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101433553 Phone: 0914127545 Representative: Pham Van Kinh Adress: 37, Lot 4 Tan Lap, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 2 - 1 - 2004