Kinh Doanh Vang Bac Giang Son LTD Address: No 130, Hang Bac Street, Hoan Kiem Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0111401825 Phone: 02439260068 Representative: Dao Hong Quan Hoan Kiem District, Ha Noi CityFounding date: 6 - 3 - 2026