Dau Tu Thuong Mai Va Dich Vu Ky Thuat Thang Long Joint Stock Company Address: No 14, Lane 105/1, Nguyen Cong Hoan Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0104977978 Phone: 02438317130 Representative: Nguyen Cong Bang Adress: No 123, Nguyen Trai Street, Quan Bau Ward, Vinh City, Nghe An Province Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 28 - 10 - 2010