Thuong Mai Vang Bac Da Quy Hoang Yen LTD Address: No 94, Hang Bac Street, Hang Bac Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101322469 Phone: 02439262395 Representative: Hoang Phi Yen Adress: No 120, Hang Bac Street, Hang Bac Ward, Hoan Kiem District, Ha Noi City Hang Bac Ward, Hoan Kiem District, Ha Noi CityFounding date: 9 - 1 - 2003