Truyen Thong Mang Xa Hoi Joint Stock Company Address: No 35, Truong Chinh Street, Civil Group 4, Tran Phu Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100352942 Phone: 0988508768 Representative: Vo Cao Thang Adress: Civil Group 6, Long Bien Ward, Long Bien District, Ha Noi City Tran Phu Ward, Ha Giang City, Ha Giang ProvinceFounding date: 4 - 6 - 2011