Thiet Bi Ky Thuat Va Giao Duc Tin Hoc Hong Son LTD Address: No 17 Khu Ga, Van Dien Town, Thanh Tri District, Ha Noi City Enterprise code: 0101530772 Phone: 0248614527 Representative: Lam Quang Trong Adress: No 17 Khu Ga, Van Dien Town, Thanh Tri District, Ha Noi City Van Dien Town, Thanh Tri District, Ha Noi CityFounding date: 20 - 9 - 2004