Thuong Mai Toan Cau Linh Son Joint Stock Company Address: No 156, Tam Trinh Street, Yen So Ward, Hoang Mai District, Ha Noi City Enterprise code: 0104036025 Phone: 02436454371 Representative: Nguyen Van Kien Adress: Bac Vu Hamlet, Bac Ly Commune, Hiep Hoa District, Bac Giang Province Yen So Ward, Hoang Mai District, Ha Noi CityFounding date: 8 - 7 - 2009