Dau Tu Xay Dung Vien Thong Sai Gon Joint Stock Company Address: 20 Nguyen Huu Dat, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City Enterprise code: 0313353500 Phone: 0838160179 Representative: Hoang Thi Thu Huyen Adress: 20 Nguyen Huu Dat, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City Tay Thanh Ward, Tan Phu District, Ho Chi Minh CityFounding date: 17 - 7 - 2015