Cong Nghe 4leaf Joint Stock Company Address: 19, Alley 784/20, Bach Dang Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0109844548 Phone: 0968040688 Representative: Pham Ngoc Huy Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 6 - 12 - 2021