Rox Happy Housing Joint Stock Company Address: 21th Floor Toa Thap A, 54a Nguyen Chi Thanh, Lang Ward, Dong Da District, Ha Noi City Enterprise code: 0111452530 Phone: 0964395088 Representative: Nguyen Tuan Hoang Dong Da District, Ha Noi CityFounding date: 8 - 4 - 2026