Vat Tu Va Thiet Bi Khoa Hoc Ky Thuat Thang Long Joint Stock Company Address: Civil Group 9, Tran Phu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101416124 Phone: 0248474607; 0983605555 Representative: Cao Xuan Duong Adress: Civil Group 9, Tran Phu Ward, Hoang Mai District, Ha Noi City Tran Phu Ward, Hoang Mai District, Ha Noi CityFounding date: 7 - 11 - 2003