Thuong Mai Tin Hoc Va Ky Thuat Cong Nghe Thang Long Joint Stock Company Address: 32, Lane 5, Hoang Sam Street, Civil Group 42, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0102211560 Phone: 02437562250 Representative: Le Tran Thang Adress: No 117C, 7a Civil Group, Trung Liet Ward, Dong Da District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 13 - 4 - 2007