Phat Trien Dich Vu Vien Thong Vu An LTD Address: No 20LK41, Van Canh Urban Area, Van Canh Commune, Hoai Duc District, Ha Noi City Enterprise code: 0110938744 Phone: 0988001799 Representative: Nguyen Thi Tinh Van Canh Commune, Hoai Duc District, Ha Noi CityFounding date: 16 - 1 - 2025