Realtor Os LTD Address: No 70 Phuong Lung, Hung Dao Ward, Hai Phong Town, Viet Nam, Hai Phong City Enterprise code: 0202346441 Phone: 0969865596 Representative: Ho Thi Thanh Thuy Hung Dao Ward, Duong Kinh District, Hai Phong CityFounding date: 9 - 4 - 2026