Phat Trien A1 LTD Address: Hamlet 10, Thach Than 4 Hamlet, Quoc Oai Commune, Quoc Oai District, Ha Noi City Enterprise code: 0111397209 Phone: 0982639394 Representative: Nguyen Duc Thuong Quoc Oai Town, Quoc Oai District, Ha Noi CityFounding date: 3 - 3 - 2026