Dau Tu Tonkin Joint Stock Company Address: Zoom 507, Nha C3, Quoc Te Thang Long Village, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101276244 Phone: 0439908694 Representative: Luong Thi Thuy Lien Adress: No 109, Cau Giay Street, Quan Hoa Ward, Cau Giay District, Ha Noi City Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 9 - 9 - 2002