Phat Trien Cong Nghe Nam Hai Joint Stock Company Address: No 44, Nguyen Viet Xuan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106560763 Phone: 02466872324 Representative: Nguyen Van Duy Adress: No 4, 120 Tan Mai Lane, Tan Mai Ward, Hoang Mai District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 3 - 6 - 2014