Phat Trien Cong Nghe He Thong LTD Address: No 119, Ho Dac Di Street, Nam Dong Ward, Dong Da District, Ha Noi City Enterprise code: 0101601180 Phone: 0245568089 Representative: Le Thanh Duong Adress: No 2/181, Quan Nhan Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Nam Dong Ward, Dong Da District, Ha Noi CityFounding date: 26 - 1 - 2005