Thuy Dien Nam Ngan 4 Joint Stock Company Address: Tan Hai Thanh Civil Group, Binh Thuan Ward, Tinh Tuyen Quang, Viet Nam Enterprise code: 5000921176 Phone: 0987244688 Representative: Ta Duc Tan Binh Thuan Ward, Tuyen Quang City, Tuyen Quang ProvinceFounding date: 18 - 6 - 2026