Thuong Mai Quoc Te Thanh Tung A.U.D.I.O LTD Address: Zoom 409, 4th Floor, Building 16, Phan Chu Trinh, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102078245 Phone: 02439360388 Representative: Hoang Lan Anh Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi CityFounding date: 27 - 11 - 2006