Khoa Hoc Ky Thuat Va Dich Vu VH LTD Address: No 11, Lane 113, Yen Hoa Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0109792628 Phone: 0979061233 Representative: Phan Quang Tan Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 27 - 10 - 2021