Khai Thac Da Toan Thang Joint Stock Company Address: Shophouse Toa G5, Huynh Van Nghe Street, Sai Dong Urban Area, Sai Dong Ward, Long Bien District, Ha Noi City Enterprise code: 0109740644 Phone: 02386966969 Representative: Do Thi Thanh Hai Sai Dong Ward, Long Bien District, Ha Noi CityFounding date: 1 - 9 - 2021