Dau Tu Keystone LTD Address: No 37, Lot 1a, Trung Yen 11B Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0107941497 Phone: 0915334197 Representative: Kim Wanjae Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 1 - 8 - 2017