Tu Van Xay Dung Thuong Mai Hoang Thanh Joint Stock Company Address: No 122, Civil Group 19, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0102383601 Phone: 0988820023 Representative: Trinh Tuan Dat Adress: No 122, Civil Group 19, Nghia Do Ward, Cau Giay District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 11 - 10 - 2007