Vang Bac Da Quy Duy Quang Address: No 88 Cau Go, Hang Bac Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102356340 Phone: 02439261467 Representative: Tran Duy Quang Adress: No 88 Cau Go, Hang Bac Ward, Hoan Kiem District, Ha Noi City Hang Bac Ward, Hoan Kiem District, Ha Noi CityFounding date: 4 - 9 - 2007