Thuong Mai Va Dich Vu Tin Hoc Hong Thang LTD Address: Civil Group 1, Linh Nam Ward, Hoang Mai District, Ha Noi City Enterprise code: 0102386867 Phone: 0246441618 Representative: Nguyen Hong Thang Adress: Civil Group 1, Linh Nam Ward, Hoang Mai District, Ha Noi City Linh Nam Ward, Hoang Mai District, Ha Noi CityFounding date: 15 - 10 - 2007