Cong Nghe A9 Joint Stock Company Address: 475, Kim Nguu Street, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0111008861 Phone: 0915977299 Representative: Trinh Xuan Dat Vinh Tuy Ward, Hai Ba Trung District, Ha Noi CityFounding date: 31 - 3 - 2025