Tin Hoc Thien Tan Joint Stock Company Address: P210, Buu Chinh Vien Thong Town (Alley 23, 5 Lang Ha Lane), Ba Dinh District, Ha Noi City Enterprise code: 0101788612 Phone: 0248474145 Representative: Pham Tuan Anh Adress: Zoom 210, Buu Chinh Vien Thong Town, Thanh Cong, Ba Dinh District, Ha Noi City Ba Dinh District, Ha Noi CityFounding date: 9 - 10 - 2005