Cem Tech LTD Address: No 01B, Day T2, Z179, Tu Hiep Commune, Thanh Tri District, Ha Noi City Enterprise code: 0105125207 Phone: 02473032269 Representative: Bui The Canh Adress: Duc Thanh Hamlet, Tri Yen Commune, Yen Dung District, Bac Giang Province Tu Hiep Commune, Thanh Tri District, Ha Noi CityFounding date: 19 - 1 - 2011