Dau Tu Va Phat Trien Dich Vu Dai Nam Joint Stock Company Address: No 33, Alley 82/6, Nguyen Phong Sac Street, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0105645460 Phone: 02466740162 Representative: Le Hoang Nam Adress: 32a Civil Group, Dong Tam Ward, Yen Bai City, Yen Bai Province Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 11 - 2011