Thuong Mai Dich Vu Tin Hoc Hoang Ha LTD Address: 23/5 Hoang Dieu, Ward 10, Phu Nhuan District, Ho Chi Minh City Enterprise code: 0312221477 Phone: 02838455616 Representative: Ha Van Luan Adress: 788/22 Nguyen Kiem, Ward 3, Go Vap District, Ho Chi Minh City Ward 10, Phu Nhuan District, Ho Chi Minh CityFounding date: 4 - 4 - 2013