To Chuc Su Kien Va Quang Cao Vietad Joint Stock Company Address: No 28, 145 Quan Nhan Lane, Thuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105508619 Phone: 02433547529 Representative: Le Anh Tuan Thuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 16 - 9 - 2011