Tu Van Va Xay Dung Ha Tang Vien Thong Joint Stock Company Address: Quat Dong Hamlet, Quat Dong Commune, Thuong Tin District, Ha Noi City Enterprise code: 0109513803 Phone: 0969927183 Representative: Vu Van Trung Quat Dong Commune, Thuong Tin District, Ha Noi CityFounding date: 28 - 1 - 2021