Tu Van Va Ky Thuat Thang Long Joint Stock Company Address: Zoom 2 H17, Dai Hoc Su Pham Ha Noi I Town, Quan Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101377316 Phone: 0248314913 Representative: Cao Minh Truc Adress: 276, Son Tay Street, Ba Dinh District, Ha Noi City Quan Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 27 - 6 - 2003