Dqa Joint Stock Company Address: No 26, Lane 22, 4 Tan Binh Civil Group, Xuan Mai Commune, Chuong My District, Ha Noi City Enterprise code: 0111406252 Phone: 0383993663 Representative: Pham Thi Thu Phuong Xuan Mai Town, Chuong My District, Ha Noi CityFounding date: 10 - 3 - 2026