Khai Khoang Bac Viet Joint Stock Company Address: No 49 Ho Dac Di, Nam Dong Ward, Dong Da District, Ha Noi City Enterprise code: 0101599767 Phone: 0245331750 Representative: Lanh Chinh Nghia Adress: No 5B Hoang Hoa Tham, Thuy Khue Ward, Tay Ho District, Ha Noi City Nam Dong Ward, Dong Da District, Ha Noi CityFounding date: 24 - 1 - 2005