Bat Dong San Golden Key Invest Joint Stock Company Address: 10th Floor So 24 Hoang Quoc Viet, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0111403660 Phone: 0899963838; Representative: Cao Thi Tam Nghia Do Ward, Tay Ho District, Ha Noi CityFounding date: 9 - 3 - 2026