Dich Vu Xay Dung Vien Thong 559 Joint Stock Company Address: 7 Le Dai Hanh, Ward 15, District 11, Ho Chi Minh City Enterprise code: 0311856266 Phone: 0988228228 Representative: Nguyen The Son Ward 15, District 11, Ho Chi Minh CityFounding date: 28 - 6 - 2012