Truyen Thong Va Quang Cao Hoang An Viet Nam Joint Stock Company Address: No 39a Khu Ha Tri 2, Ha Dong District, Ha Noi City Enterprise code: 0105163146 Phone: 0473083093; 02473731103 Representative: Pham Thanh Dai Ha Dong District, Ha Noi CityFounding date: 24 - 2 - 2011