Khoa Hoc Ky Thuat Quang Thien Joint Stock Company Address: No 58 Le Van Thiem, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106799350 Phone: 0916876899 Representative: Tran Van Truong Adress: No 58 Le Van Thiem, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 24 - 3 - 2015