To Chuc Su Kien HTD Viet Nam Joint Stock Company Address: 66 Phan Van Tri, Quoc Tu Giam Ward, Dong Da District, Ha Noi City Enterprise code: 0104120742 Phone: 02422423249 Representative: Nguyen Thi Thu Adress: No 111, Van Cao Street, Lieu Giai Ward, Ba Dinh District, Ha Noi City Quoc Tu Giam Ward, Dong Da District, Ha Noi CityFounding date: 20 - 8 - 2009