Vien Thong Tin Viet Joint Stock Company Address: 193 Nguyen Thai Son, Ward 4, Go Vap District, Ho Chi Minh City Enterprise code: 0309709592 Phone: 02839940578 Representative: Trieu Thi Loi Adress: 193 Nguyen Thai Son, Ward 4, Go Vap District, Ho Chi Minh City Ward 4, Go Vap District, Ho Chi Minh CityFounding date: 6 - 1 - 2010