Tu Van Giai Phap Truyen Thong So Viet Nam Joint Stock Company Address: No 403, 2D Kham Thien, Kham Thien Ward, Dong Da District, Ha Noi City Enterprise code: 0102609601 Phone: 02439923161 Representative: Ung Nhat Duc Adress: No 27, Hang Bo Street, Hang Bo Ward, Hoan Kiem District, Ha Noi City Kham Thien Ward, Dong Da District, Ha Noi CityFounding date: 14 - 1 - 2008