Tu Van Ky Thuat Va Xay Dung Vintech Joint Stock Company Address: No 58, Nguyen Khang Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0107872966 Phone: 0915894241 Representative: Pham Van Luyen Adress: Ngu Cau Hamlet, An Thuong Commune, Hoai Duc District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 5 - 6 - 2017