Y Khoa Quoc Gia Joint Stock Company Address: No 63B, 79 Tran Cung Lane, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0105802995 Phone: 02466811429 Representative: Nguyen Van Bang Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 27 - 2 - 2012