Dich Vu Thuong Mai Va Dao Tao Khoi Nguyen LTD Address: No 36, 10 Nguyen Van Huyen Lane, Cau Giay Ward, Cau Giay District, Ha Noi City Enterprise code: 0111446897 Phone: 0974028738 Representative: Nguyen Hong Quan Cau Giay District, Ha Noi CityFounding date: 6 - 4 - 2026