Tu Van Thiet Ke Kien Truc HTT LTD Address: No 4, Yecxanh Street, Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101179875 Phone: 0249717139 Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi CityFounding date: 12 - 11 - 2001