Vien Nghien Cuu Phat Trien Thien Sang LTD Address: No 68 Tran Hung Dao, Cua Nam Ward, Ha Noi City, Viet Nam, Ha Noi City Enterprise code: 0111324899 Phone: 0965753627 Representative: Nguyen Thi Hoai Thu Ha Noi CityFounding date: 26 - 12 - 2025