Khoa Hoc Ky Thuat Ha Linh Joint Stock Company Address: No 31, T37, Khu Tap The Doi Ngoai, Dinh Cong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0104775410 Phone: 02433518648 Representative: Nguyen Ngoc Hung Adress: Mien Thuong Hamlet, Hoa Son Commune, Ung Hoa District, Ha Noi City Dinh Cong Ward, Hoang Mai District, Ha Noi CityFounding date: 23 - 6 - 2010