Cong Nghe & Truyen Thong Keymaster Agency LTD Address: No 62B, Lane 5, Hoang Quoc Viet Street, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0109874599 Phone: 0869007777 Representative: Nguyen Quoc Thanh Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 30 - 12 - 2021