Tu Van Thiet Ke Rotonda Joint Stock Company Address: Civil Group 4, Khu 1, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701420065 Phone: 02387909666 Representative: Vu Xuan Thang Adress: Civil Group 4, Khu 1, Ha Khau Ward, Ha Long City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 13 - 6 - 2011