Tu Van Va Phat Trien Cong Nghe Trung Thanh LTD Address: No 351 De La Thanh, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0102059468 Phone: 0245370340 Representative: Dang The Thap Adress: 351 De La Thanh, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 1 - 11 - 2006