Constech Vina Joint Stock Company Address: An Ha Hamlet, An Thuong Commune, Hoai Duc District, Ha Noi City Enterprise code: 0106161744 Phone: 0945675662 Representative: Nguyen Trung Thanh Adress: Ngu Cau Hamlet, An Thuong Commune, Hoai Duc District, Ha Noi City An Thuong Commune, Hoai Duc District, Ha Noi CityFounding date: 23 - 4 - 2013