He Thong Dien Tu Va Vien Thong Idb Joint Stock Company Address: 27 Ngo Tat To, Van Mieu Ward, Van Mieu Ward, Dong Da District, Ha Noi City Enterprise code: 0102620274 Phone: 0247478560 Representative: Pham Huu Phuong Adress: 6, Tho Xuong Lane, Hang Trong Ward, Hoan Kiem District, Ha Noi City Van Mieu Ward, Dong Da District, Ha Noi CityFounding date: 22 - 1 - 2008