Truyen Thong Hoang Hai Joint Stock Company Address: No 21, Alley 20, Lane 86, Hao Nam Street, O Cho Dua Ward, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0102025229 Phone: 0246364918 Representative: Hoang The Hai Adress: Zoom 1 Tang 3 So 15 Thanh Cong, Thanh Cong Ward, Ba Dinh District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 12 - 9 - 2006