To Chuc Su Kien Va Bieu Dien Hoang Tung LTD Address: No 4, 101/2 Hao Nam Alley, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0105448247 Phone: 02438511927 Representative: Nguyen Hoang Tung Adress: No 108 Hoa Ma, Ngo Thi Nham Ward, Hai Ba Trung District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 10 - 8 - 2011