Dau Tu Bac Ky Joint Stock Company Address: Zoom 611, Mat Troi Song Hong Building, 23 Phan Chu Trinh, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101619639 Phone: 02439333414 Representative: Nguyen Tran Hieu Adress: No 34 Lien Tri, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi CityFounding date: 18 - 3 - 2005