Tu Van Thiet Ke Gravity LTD Address: 3rd Floor, No 158, Ha Dinh Street, Khuong Dinh Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111252316 Phone: 0938988626 Representative: Nguyen Tai Dai Ha Noi CityFounding date: 15 - 10 - 2025