Dau Tu Phat Trien Thep Viet Han Joint Stock Company Address: No 60 Ho Sen, Le Chan Ward, Le Chan District, Hai Phong City Enterprise code: 0202340168 Phone: 0788375999 Representative: Duong Thi Nguyet Anh Le Chan District, Hai Phong CityFounding date: 11 - 3 - 2026