Dau Tu Xay Dung Ky Thuat Van Xuan Joint Stock Company Address: P101 B Nha A7, Vinh Ho Street, Nga Tu So Ward, Dong Da District, Ha Noi City Enterprise code: 0104149357 Phone: 02438537263 Representative: Nguyen Thanh Binh Adress: P101 B Nha A7, Vinh Ho Street, Nga Tu So Ward, Dong Da District, Ha Noi City Nga Tu So Ward, Dong Da District, Ha Noi CityFounding date: 8 - 9 - 2009