Tu Van Va Cong Nghe Xay Dung Ha Noi Joint Stock Company Address: No 40c/12a, Ly Nam De Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105875827 Phone: 02439940987 Representative: Dang Quang Trung Adress: Trung Hamlet, Van Hoang Commune, Phu Xuyen District, Ha Noi City Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 3 - 5 - 2012