Cty TNHH Dien Tu Tin Hoc Tung Son Address: 78 Le Thi Rieng, BT Ward, District 1, Ho Chi Minh City Enterprise code: 0301873664 Phone: 0289253036 Representative: Tran Xuan Thac Adress: 26 Ly Tu Trong, District 1, Ho Chi Minh City District 1, Ho Chi Minh CityFounding date: 22 - 12 - 1999