Thuong Mai Da Quy Va Vang Hoang Son LTD Address: No 15, 30 Nguyen Dinh Chieu Lane, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101428592 Phone: 0249741401 Representative: Hoang Thi Le Hang Adress: No 40 Hang Da, Cua Dong Ward, Hoan Kiem District, Ha Noi City Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 18 - 12 - 2003