Vien Thong So Thanh Vinh LTD Address: 1st Floor, Viettel Building, Dai Lo Le Nin, Vinh Phu Ward, Tinh Nghe An, Viet Nam Enterprise code: 2902246904 Phone: 0979855678 Representative: Tran Thi Dung Nghe An ProvinceFounding date: 19 - 9 - 2025