Dau Tu Thuong Mai Va Phat Trien Cong Nghe La Thanh Joint Stock Company Address: No 261, De La Thanh Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0105344417 Phone: 02463287653 Representative: Do Manh Dung Adress: Yen Lo Hamlet, Dao Duc Commune, Binh Xuyen District, Vinh Phuc Province O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 3 - 6 - 2011