Hoc Vien Thanh Thieu Nien Viet Nam Address: No 3, Chua Lang Street, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0103222170 Phone: 02438343239 Representative: Nguyen Dac Vinh Adress: No 3, Chua Lang Street, Dong Da District, Ha Noi City Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 16 - 1 - 2009