Cong Nghe O To Chau Au LTD Address: No 149, Nhat Chieu Street, Nhat Tan Ward, Tay Ho District, Ha Noi City Enterprise code: 0107504592 Phone: 0912379731 Representative: Vu Truong Son Adress: Zoom 10, N3, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Nhat Tan Ward, Tay Ho District, Ha Noi CityFounding date: 13 - 7 - 2016