Duc Gang Thep Thang Long Joint Stock Company Address: No 188 Le Duan, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0107249134 Phone: 02438515019 Representative: Le Ba Duc Adress: No 188 Le Duan, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Nguyen Du Ward, Hai Ba Trung District, Ha Noi CityFounding date: 11 - 12 - 2015