Vien Thong QTC LTD Address: 187 Tran Hung Dao, Nam Ly Ward, Dong Hoi City, Quang Binh Province Enterprise code: 3100478853 Phone: 0905552995 Representative: Pham Ngoc Quy Adress: Quyet Tien Hamlet, NT Viet Trung Town, Bo Trach District, Quang Binh Province Nam Ly Ward, Dong Hoi City, Quang Binh ProvinceFounding date: 14 - 4 - 2009