Phat Trien Cong Nghe Hong Duong Joint Stock Company Address: No 18 Ngo Quyen, Trang Tien Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101374033 Phone: 02438268431 Representative: Le Ngoc Vinh Adress: No 12 Tran Hung Dao, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Trang Tien Ward, Hoan Kiem District, Ha Noi CityFounding date: 16 - 6 - 2003