Truyen Thong Song Hoang Sa Joint Stock Company Address: No 59B, Hang Be, Hang Bac Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0106144650 Phone: 0972887252 Representative: Nguyen Thi Thu Lien Adress: 128C, Dai La Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Hang Bac Ward, Hoan Kiem District, Ha Noi CityFounding date: 8 - 4 - 2013