Kien Truc Song Joint Stock Company Address: No 25 Bui Ngoc Duong, Bach Mai Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102013343 Phone: 0903221204 Representative: Le Duy Khoa Adress: No 108 Quan Thanh, Quan Thanh Ward, Ba Dinh District, Ha Noi City Bach Mai Ward, Hai Ba Trung District, Ha Noi CityFounding date: 18 - 8 - 2006