Boi Duong Hoa Hoc TTB LTD Address: 5th Floor, No 174, Ngo, Dan 2 Commune, Nguyen Luong Bang Street, Nam Dong Ward, Dong Da District, Ha Noi City Enterprise code: 0110950290 Phone: 02397078456 Representative: Hoang Van Truong Nam Dong Ward, Dong Da District, Ha Noi CityFounding date: 7 - 2 - 2025