Thuong Mai Dich Vu Va Du Lich Hoang Son LTD Address: 10th Floor, Ladeco Building, No 266 Can Hamlet, Ngoc Ha Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111137320 Phone: 0329345434 Representative: Nguyen Hoang Son Ha Noi CityFounding date: 22 - 7 - 2025