Tranh Bien & Tu Duy Phan Bien Sociologic LTD Address: No 04, 62 Khuc Thua Du Lane, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0110853459 Phone: 0328597607 Representative: Nguyen Nhat Hung Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 3 - 10 - 2024