Dau Tu Va Xay Dung Duy Khiem LTD Address: Du Noi Hamlet, Mai Lam Commune, Dong Anh District, Ha Noi City Enterprise code: 0109789181 Phone: 02383186844 Representative: Nguyen Duc Duy Mai Lam Commune, Dong Anh District, Ha Noi CityFounding date: 22 - 10 - 2021