Phat Trien Cong Nghe Ha Thanh Joint Stock Company Address: Lot B3 Khu VPQH, 217 La Thanh Lane, O Cho Dua Ward, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101294162 Phone: 0249743763 Representative: Le Van Khoa Adress: No 31, 383 Phuc Tan P.Phuc Tan Lane, Hoan Kiem District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 21 - 10 - 2002