Co Khi Xay Dung Nam Son Joint Stock Company Address: Highway 3, Loc Ha Hamlet, Mai Lam Commune, Dong Anh District, Ha Noi City Enterprise code: 0105794310 Phone: 02439617122 Representative: Pham Xuan Dang Mai Lam Commune, Dong Anh District, Ha Noi CityFounding date: 20 - 2 - 2012