Tong Hop Xay Dung A.D.D Joint Stock Company Address: Zoom 901 Nha H1, 3, Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102373233 Phone: 0902121027 Representative: Do Hoai Son Adress: Civil Group 19, Tan Thinh Ward, Hoa Binh City, Hoa Binh Province Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi CityFounding date: 28 - 9 - 2007