Dich Vu Khoa Hoc Ky Thuat Va Thuong Mai Khanh Van Joint Stock Company Address: No 30 Trung Nhi, Nguyen Trai Ward, Ha Dong District, Ha Noi City Enterprise code: 0106644621 Phone: 0946635384 Representative: Trinh Thi Thanh Thuy Adress: No 30 Trung Nhi, Nguyen Trai Ward, Ha Dong District, Ha Noi City Nguyen Trai Ward, Ha Dong District, Ha Noi CityFounding date: 23 - 9 - 2014