Tu Van Xay Dung Va Thiet Ke Hoang Ha Joint Stock Company Address: No 15a Han Thuyen, Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105272427 Phone: 02422211636 Representative: Nguyen Phuong Nam Adress: No 31 Hang Than, Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi City Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi CityFounding date: 21 - 4 - 2011