Y Hoc Viet Han Joint Stock Company Address: No 45 Pham Hong Thai, Truc Bach Ward, Ba Dinh District, Ha Noi City Enterprise code: 0106417851 Phone: 0904509777 Representative: Bui Khac Viet Quynh Adress: Khu 10, Chi Ne Town, Lac Thuy District, Hoa Binh Province Truc Bach Ward, Ba Dinh District, Ha Noi CityFounding date: 13 - 1 - 2014