Tu Van Dau Tu Xay Dung Va Thuong Mai Bach Khoa LTD Address: No 02, Lien Ke 11, Xa La Urban Area, Phuong, Ha Dong District, Ha Noi City Enterprise code: 0111619010 Phone: 0918408155 Representative: Phan Thi Thuy Linh Ha Dong Ward, Thanh Tri District, Ha Noi CityFounding date: 26 - 8 - 2026