Quang Cao Va Truyen Thong Chuyen Nghiep Joint Stock Company Address: 2/228 Ngoc Lam, Ngoc Lam Ward, Long Bien District, Ha Noi City Enterprise code: 0101654062 Phone: 0249270004; 0249272731 Representative: Doan Tran Linh Phi Adress: No 4 Hang Cot, Hang Ma Ward, Hoan Kiem District, Ha Noi City Ngoc Lam Ward, Long Bien District, Ha Noi CityFounding date: 18 - 5 - 2005