Dich Vu Thuong Mai Cong Nghe T.S.T Joint Stock Company Address: No 1a, Lane 147/65, Tan Mai Street, Tan Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0102622514 Phone: 0242489683 Representative: Nguyen Truong Son Adress: No 30 22C Civil Group, Minh Khai Ward, Hai Ba Trung District, Ha Noi City Tan Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 23 - 1 - 2008