Tu Van Dau Tu NDT Joint Stock Company Address: No 153, Truong Dinh Street, Truong Dinh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102404562 Phone: 02436628566 Representative: Nguyen Tien Dung Adress: Civil Group 4, Dinh Cong Ward, Hoang Mai District, Ha Noi City Truong Dinh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 1 - 11 - 2007