Xay Dung Va Thuong Mai Bac Son Ha LTD Address: No 21, 32/42 Khu Tap The Nha May Dien Yen Phu Alley, An Duong Street, Yen Phu Ward, Tay Ho District, Ha Noi City Enterprise code: 0109906709 Phone: 02273215699 Representative: Tran Thi Thuy Ha Yen Phu Ward, Tay Ho District, Ha Noi CityFounding date: 15 - 2 - 2022