Yay LTD Address: 6th Floor, Viet A Building, No 9, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0107480863 Phone: 0963048497 Representative: Bui Thi Quyen Adress: An Hoa Hamlet, Binh Ninh Commune, Tam Binh District, Vinh Long Province Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 22 - 6 - 2016