Tu Van Cong Nghe Va Kiem Dinh Xay Dung Joint Stock Company Address: No 17, Lane 178, Giai Phong Street, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101895572 Phone: 02437833047 Representative: Nguyen Thi Hong Luyen Adress: Dau Hamlet, Di Trach Commune, Hoai Duc District, Ha Noi City Phuong Liet Ward, Thanh Xuan District, Ha Noi CityFounding date: 23 - 3 - 2006