Phu Tung O To Hitech Joint Stock Company Address: No A11 - HH06, Viet Hung Urban Area, Viet Hung Ward, Long Bien District, Ha Noi City Enterprise code: 0110948608 Phone: 0913937178 Representative: Nguyen Quoc Khiem Viet Hung Ward, Long Bien District, Ha Noi CityFounding date: 4 - 2 - 2025