Bao Khoa Hoc Va Phat Trien Address: No 70 Tran Hung Dao, Hoan Kiem District, Ha Noi City Enterprise code: 0100837715 Phone: 0249439055 Representative: Pham Thi Mai Huong Adress: 32/98 Thai Ha, Dong Da District, Ha Noi City Hoan Kiem District, Ha Noi CityFounding date: 16 - 3 - 1999