Thuong Mai Va Dich Vu Ky Thuat Hoang Son Ha LTD Address: No 212, Truong Chinh Street, Khuong Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0101502937 Phone: 0245740094 Representative: Vu Trung Kien Adress: Cong Truong Lap Ghep Ii, Giang Vo Ward, Ba Dinh District, Ha Noi City Khuong Thuong Ward, Dong Da District, Ha Noi CityFounding date: 1 - 7 - 2004