DV Vien Thong Ha An LTD Address: No 10 Minh Khai, Hung Binh Ward, Vinh City, Nghe An Province Enterprise code: 2900609292 Phone: 02383833802 Representative: Nguyen Duc Ha Adress: Khoi 6 Hong Son, Vinh City, Nghe An Province Hung Binh Ward, Vinh City, Nghe An ProvinceFounding date: 23 - 11 - 2004