Truyen Thong Dai Duong Xanh Joint Stock Company Address: No 11, 30 Ta Quang Buu Lane, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102731979 Phone: 02462936728 Representative: Do Phuc Hung Adress: 28 22a Civil Group, Minh Khai Ward, Hai Ba Trung District, Ha Noi City Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 28 - 4 - 2008