Hoi Ngon Ngu Hoc Viet Nam Address: 109 Quan Thanh, Quan Thanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0106220774 Phone: 02437624212 Representative: Le Quang Thiem Quan Thanh Ward, Ba Dinh District, Ha Noi CityFounding date: 1 - 7 - 2013