Tu Dong Hoa Va He Thong Nguon Joint Stock Company Address: No 124, Ngo, Dan 2 Commune, Nam Dong Ward, Dong Da District, Ha Noi City Enterprise code: 0104245861 Phone: 02485871526 Representative: Nguyen Hong Mao Adress: Tap The Lam Nghiep, Hoang Mai District, Ha Noi City Nam Dong Ward, Dong Da District, Ha Noi CityFounding date: 11 - 11 - 2009