Y Vien LTD Address: No 38, 57 Nguyen Khanh Toan Lane, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0108866972 Phone: 0948511199 Representative: Nguyen Van Khiem Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 15 - 8 - 2019