Quy Hoach Thiet Ke Xay Dung Van Xuan Joint Stock Company Address: KM5, Ha Long Ward, Ha Long City, Quang Ninh Province Enterprise code: 5702218817 Phone: 0982192887; Representative: Trinh Minh Thanh Ha Long Ward, Ha Long City, Quang Ninh ProvinceFounding date: 12 - 3 - 2026