Dau Tu Ha Tang Vien Thong Sai Gon Joint Stock Company Address: 336 An Duong Vuong, Ward 04, District 5, Ho Chi Minh City Enterprise code: 0317498401 Phone: 0919731118 Representative: Pham Van Duc Adress: Vinh Thai Hamlet, Cam Binh Commune, Cam Xuyen District, Ha Tinh Province Ward 4, District 5, Ho Chi Minh CityFounding date: 30 - 9 - 2022