Phat Trien Khoa Hoc Va Cong Nghe Dong Duong Joint Stock Company Address: No 116/216 A1, Vu Thanh Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0102013103 Phone: 0245120072 Representative: Nguyen Manh Tuong O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 18 - 8 - 2006