Da System LTD Address: Zoom 402 Tang 4, 9B Building, Nghia Do Street, Civil Group 48, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0109802890 Phone: 02385719169 Representative: Lee Kihun Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 4 - 11 - 2021