Nghien Cuu Va Phat Trien Happy House LTD Address: No 204 Nguyen Luong Bang, Quang Trung Ward, Dong Da District, Ha Noi City Enterprise code: 0109553316 Phone: 02435690000 Representative: Vu Thi Thanh Loan Quang Trung Ward, Dong Da District, Ha Noi CityFounding date: 16 - 3 - 2021