Dau Tu Thuong Mai Dich Vu Ha Tang Vien Thong Nam Viet Joint Stock Company Address: 93/23 Tran Khac Chan, Tan Dinh Ward, District 1, Ho Chi Minh City Enterprise code: 0313523784 Phone: 0916755553 Representative: Lam Hoang Viet Adress: 18/4 Dang Nguyen Can, Tan Thanh Ward, Buon Ma Thuot City, Dac Lac Province Tan Dinh Ward, District 1, Ho Chi Minh CityFounding date: 6 - 11 - 2015