Khao Sat Va Do Dac Thang Long Joint Stock Company Address: Civil Group 1, Yen Nghia Ward, Ha Dong District, Ha Noi City Enterprise code: 0106573811 Phone: 0985237532 Representative: Nguyen Trong Toan Adress: Dinh Civil Group, Dai Mo Ward, Nam Tu Liem District, Ha Noi City Yen Nghia Ward, Ha Dong District, Ha Noi CityFounding date: 16 - 6 - 2014