Xuat Nhap Khau Cong Nghe Tan Vien Joint Stock Company Address: 5th Floor, No 221 Tran Dang Ninh, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0104764793 Phone: 0949991234 Representative: Hoang Hong Hanh Adress: No 74 B7, Tap The Lac Trung, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 6 - 2010