Vang Bac Da Quy Ngoc Tram LTD Address: No 49 Bach Mai, Bach Mai Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0111423988 Phone: 0389283699 Representative: Vu Thi Thuy Hang Bach Mai Ward, Hai Ba Trung District, Ha Noi CityFounding date: 20 - 3 - 2026