Vien Thong Mat Than LTD Address: 240, Hai Phong, Tan Chinh Ward, Thanh Khe District, Da Nang City Enterprise code: 0401377701 Phone: 02363689703 Representative: Pham Thi Ai Ha Tan Chinh Ward, Thanh Khe District, Da Nang CityFounding date: 1 - 9 - 2010