Smartosc Joint Stock Company Address: No 4, Vo Van Dung Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0102776987 Phone: 02435149883 Representative: Nguyen Thai Son Adress: No 4, Vo Van Dung Street, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 13 - 6 - 2008