Thuong Mai Va Dich Vu Ky Thuat Tong Hop Hoang Anh LTD Address: B1 To 58, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0103072422 Phone: 02438334938 Representative: Nguyen Tuan Anh Adress: P104B-A7, Lien Co Town, Quan Hoa Ward, Cau Giay District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 11 - 12 - 2008