Tu Van Va Xay Dung Van An Joint Stock Company Address: No 9, Lane 12, Tieu Giao Street, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700549933 Phone: 02033512301 Representative: Nguyen Van Hieu Adress: Civil Group 126, Thuy Son, Cam Son Ward, Cam Pha City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 17 - 6 - 2005