Dau Tu Va Phat Trien Nha O Song Hau Joint Stock Company Address: 29th Floor, Toa Dong, Lotte Center Ha Noi, No 54, Lieu Gia Street, Giang Vo Ward, Ba Dinh District, Ha Noi City Enterprise code: 0111453171 Phone: 0904604664 Representative: Le Viet Tu Giang Vo Ward, Ba Dinh District, Ha Noi CityFounding date: 8 - 4 - 2026