Cty TNHH Thuong Mai Dich Vu Tin Hoc Quoc An Address: 138/2 Ly Tu Trong, BT Ward, Ben Thanh Ward, District 1, Ho Chi Minh City Enterprise code: 0302303191 Phone: 0288220481 Representative: Le Thi Minh Trang Adress: 138/2 Ly Tu Trong P.BT, Ben Thanh Ward, District 1, Ho Chi Minh City Ben Thanh Ward, District 1, Ho Chi Minh CityFounding date: 25 - 5 - 2001