Tu Van - Dien Chieu Sang Va Thiet Bi Do Thi Thang Long Joint Stock Company Address: No 56 Bui Thi Xuan, Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101106972 Phone: 0248228187 Representative: Nguyen Quoc Chinh Adress: No 56, Bui Thi Xuan, Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi City Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 4 - 4 - 2001