Kinh Doanh Cong Nghe Open Techiz Joint Stock Company Address: No 5/110, Quan Nhan Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0108238216 Phone: 01234566769; 0834566769 Representative: Nguyen Viet Hoa Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 17 - 4 - 2018