Co Khi Xay Dung 30/4 LTD Address: 112, Be Van Dan Street, Quang Trung Ward, Ha Dong District, Ha Noi City Enterprise code: 0500585149 Phone: 0982271947 Representative: Nguyen Van Lien Adress: No 72 Tap The Thuong Nghiep, Nguyen Trai Ward, Ha Dong District, Ha Noi City Quang Trung Ward, Ha Dong District, Ha Noi CityFounding date: 9 - 5 - 2008