Hoa Chat Xay Dung Bitcoins Joint Stock Company Address: No 101 C4, Nguyen Quy Duc Street, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109891435 Phone: 0983807345 Representative: Tham Quang Vinh Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 18 - 1 - 2022