Quang Cao Va Truyen Thong Bach Lam Joint Stock Company Address: No 99, Dai Co Viet Street, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102362249 Phone: 0242121806 Representative: Bui Ngoc Thanh Adress: 55, Tue Tinh Street, Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi City Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 12 - 9 - 2007