Phat Trien Cong Nghe Thong Tin Dat Thinh (Ntnn) Joint Stock Company Address: 102/10 Thich Quang Duc, Ward 5, Ward 09, Phu Nhuan District, Ho Chi Minh City Enterprise code: 0311290478 Phone: 0837733881 Ward 5, Phu Nhuan District, Ho Chi Minh CityFounding date: 29 - 10 - 2011