Giao Duc Va Dao Tao Ngoai Ngu Helios Joint Stock Company Address: No 108, Khu 1, Quan Lao Town, Yen Dinh District, Thanh Hoa Province Enterprise code: 2802515303 Phone: 0945869506 Representative: Hoang Thi Lien Adress: Tra Hamlet, Hamlet 1, Thieu Phu Commune, Thieu Hoa District, Thanh Hoa Province Quan Lao Town, Yen Dinh District, Thanh Hoa ProvinceFounding date: 26 - 12 - 2017