Trung Tam Vien Thong 1 Address: Street 17/8, Minh Xuan Ward, Tuyen Quang City, Tuyen Quang Province Enterprise code: 5000584788 Phone: 02073822420 Minh Xuan Ward, Tuyen Quang City, Tuyen Quang ProvinceFounding date: 23 - 2 - 2010