Tin Hoc Hoan Hao LTD Address: No 58/27 Doan Van Bo, Ward 09, District 4, Ho Chi Minh City Enterprise code: 0310481938 Phone: 02838268169 Representative: Ha Van Dung Adress: No 58/27 Doan Van Bo, Ward 09, District 4, Ho Chi Minh City District 4, Ho Chi Minh CityFounding date: 29 - 11 - 2010