Ky Thuat Dang Phong LTD Address: Hamlet 7, Yen So Commune, Hoai Duc District, Ha Noi City Enterprise code: 0106884207 Phone: 0981355389 Representative: Dang Tran Manh Adress: Hamlet 7, Yen So Commune, Hoai Duc District, Ha Noi City Yen So Commune, Hoai Duc District, Ha Noi CityFounding date: 22 - 6 - 2015