1seven Ads LTD Address: No 275 Nguyen Trai, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109761281 Phone: 0989974798 Representative: Nguyen Thanh Dat Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 1 - 10 - 2021