Kien Truc Xay Dung Va Thuong Mai Nam Son Joint Stock Company Address: No 35, 56 Vu Xuan Thieu Lane, Sai Dong Ward, Long Bien District, Ha Noi City Enterprise code: 0106898626 Phone: 0328955599 Representative: Nguyen Dinh Thao Adress: Tao Duong Hamlet, Hong Duong Commune, Thanh Oai District, Ha Noi City Sai Dong Ward, Long Bien District, Ha Noi CityFounding date: 10 - 7 - 2015