Tu Van Thiet Ke Kien Truc Brothers Viet Nam Joint Stock Company Address: No 97, Hoang Mai Street, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0105540027 Phone: 0986316813 Representative: Le Quoc Khanh Adress: No 47, Khoi 4, Rung Thong Town, Dong Son District, Thanh Hoa Province Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 30 - 9 - 2011