Dau Tu Va Cong Nghe Xay Dung Ibst Joint Stock Company Address: No 81 Tran Cung, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0105557422 Phone: 02437561354 Representative: Nguyen Hoang Anh Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 10 - 10 - 2011