In Khuyen Hoc LTD Address: No 9/64, Lane 35, Cat Linh Street, Cat Linh Ward, Dong Da District, Ha Noi City Enterprise code: 0101420307 Phone: 0247337707 Representative: Le Huu Hung Adress: No 11, Civil Group 36, Quan Hoa Ward, Cau Giay District, Ha Noi City Cat Linh Ward, Dong Da District, Ha Noi CityFounding date: 24 - 11 - 2003