Polytech LTD Address: Cuu Quan, Duc Thuong Commune, Hoai Duc District, Ha Noi City Enterprise code: 0106896509 Phone: 0983670399 Representative: Dam Thi Huyen Adress: Phu Cuong Hamlet, Nam Thanh Commune, Nam Truc District, Nam Dinh Province Duc Thuong Commune, Hoai Duc District, Ha Noi CityFounding date: 8 - 7 - 2015