Phat Trien Cong Nghe Ptech Joint Stock Company Address: 12th Floor, Diamond Flower 48 Le Van Luong, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0110353110 Phone: 0911036202 Representative: Nguyen Thi Hieu Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 16 - 5 - 2023