Dau Tu Va Phat Trien Cong Nghe Cao Thang Long Joint Stock Company Address: No 114, Thanh Nhan Street, Thanh Nhan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101612802 Phone: 0246270077 Representative: Vu Ba Sinh Adress: 5 Khu 2 Civil Group, Vinh Hung Ward, Hoang Mai District, Ha Noi City Thanh Nhan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 3 - 3 - 2005