Phat Trien Va Tich Hop Cong Nghe Thang Long Joint Stock Company Address: No 27, Lane 318, La Thanh Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0102321676 Phone: 02485874821 Representative: Tran Thi Trang Adress: Hamlet 17, Hai Nam Commune, Hai Hau District, Nam Dinh Province O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 20 - 7 - 2007