Tu Van Dau Tu Xay Dung Ky Thuat Ha Tang Joint Stock Company Address: 6th Floor, Haco Building, No 95H Ly Nam De, Cua Dong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101576103 Phone: 0247192006 Representative: Do Van Hung Adress: No 212, C8 Tan Mai, Hoang Mai District, Ha Noi City Cua Dong Ward, Hoan Kiem District, Ha Noi CityFounding date: 6 - 12 - 2004