Dau Tu Phat Trien Bac Song Hong Joint Stock Company Address: No 1, 218/1 Tay Son Alley, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0104900220 Phone: 02438572602 Representative: Do Dang Dan Adress: Khu Bo Son, Vo Cuong Ward, Bac Ninh City, Bac Ninh Province Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 6 - 9 - 2010