Quan Ly Va Khai Thac Tai San Thien Nam Joint Stock Company Address: Lane 102, Truong Chinh Street, Phuong Mai Ward, Dong Da District, Ha Noi City Enterprise code: 0105715774 Phone: 02438694774 Representative: Nguyen Ngoc Binh Adress: Nha 2/522, Truong Chinh Street, Nga Tu So Ward, Dong Da District, Ha Noi City Phuong Mai Ward, Dong Da District, Ha Noi CityFounding date: 13 - 12 - 2011