Truyen Thong Happy Viet Nam Joint Stock Company Address: No 54, Yen Bai 1 Street, Phuong, Hue Street, Hai Ba Trung District, Ha Noi City Enterprise code: 0101595995 Phone: 02462761158 Representative: Ho Thi Thanh Ha Adress: P303, N3, 36 Van Bao Lane, Doi Can Ward, Ba Dinh District, Ha Noi City Pho Hue Ward, Hai Ba Trung District, Ha Noi CityFounding date: 14 - 1 - 2005