Chi Nhanh Cong Ty TNHH Xay Dung Kien Truc Aa Address: V Building, Tower, Voi Phuc Street, Ba Dinh District, Ha Noi City Enterprise code: 0301393481-005 Phone: 0247750556 Ba Dinh District, Ha Noi CityFounding date: 29 - 11 - 1999