Truyen Thong Trai Tim So Joint Stock Company Address: No 16/2B, Dinh Tien Hoang Street, Da Kao Ward, District 1, Ho Chi Minh City Enterprise code: 0307513160 Phone: 02822318319 Representative: Pham Thanh Tri Adress: 413/29 Nguyen Kiem, Ward 09, Phu Nhuan District, Ho Chi Minh City Da Kao Ward, District 1, Ho Chi Minh CityFounding date: 14 - 3 - 2009