Phat Trien Truyen Thong Va Thuong Mai Viet An Joint Stock Company Address: 795 Quang Trung Lane, Kien Hung Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111505655 Phone: 0925208989 Representative: Nguyen Thanh Chung Kien Hung Ward, Dong Da District, Ha Noi CityFounding date: 20 - 5 - 2026