Dau Tu Thuong Mai Va Dich Vu Opal Joint Stock Company Address: Doan Ket Hamlet, Di Nau Commune, Thach That District, Ha Noi City Enterprise code: 0110124488 Phone: 02035305555 Representative: Nguyen Van Hung Di Nau Commune, Thach That District, Ha Noi CityFounding date: 20 - 9 - 2022