Tu Van Xay Dung Va Moi Truong Ha Noi Joint Stock Company Address: No 50, Phuong Liet Street, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102766562 Phone: 0248669960 Representative: Pham Thi Van Anh Phuong Liet Ward, Thanh Xuan District, Ha Noi CityFounding date: 4 - 6 - 2008