Van Tai Bien Tan Bac Nam Joint Stock Company Address: No 658 Hoang Hoa Tham, Buoi Ward, Tay Ho District, Ha Noi City Enterprise code: 0102962278 Phone: 0247610173 Representative: Hoang Van Thai Adress: Tieu Khu 4, Nam Tien Commune, Pho Yen Town, Thai Nguyen Province Buoi Ward, Tay Ho District, Ha Noi CityFounding date: 9 - 10 - 2008