Hoang Trieu LTD Address: No 38a, Yen Phu Street, Truc Bach Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101777603 Phone: 0249194937 Representative: Do Van Hung Adress: Hamlet 11, Ngo Dao Hamlet, Tan Hung Commune, Soc Son District, Ha Noi City Truc Bach Ward, Ba Dinh District, Ha Noi CityFounding date: 21 - 9 - 2005