Ecosys Cong Joint Stock Company Address: No 933 La Thanh, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0103810172 Phone: 02437754967 Representative: Nguyen Ngoc Hieu Adress: No 933 La Thanh, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 14 - 5 - 2009