Giao Duc Va Cong Nghe Helios Joint Stock Company Address: No 6, Alley 93/39, Vuong Thua Vu Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0107076160 Phone: 0914476288 Representative: Nguyen Tuan Vu Adress: P47+48, D1, Giang Vo Street, Giang Vo Ward, Ba Dinh District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 3 - 11 - 2015