Thuong Mai Va Dich Vu Ky Thuat So Duong Linh LTD Address: No 54a, Trang Thi Street, Hang Bong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0106308228 Phone: 02439380054 Representative: Duong Manh Linh Adress: No 15, Civil Group 18, Linh Nam Ward, Hoang Mai District, Ha Noi City Hang Bong Ward, Hoan Kiem District, Ha Noi CityFounding date: 19 - 9 - 2013