Vien Ung Dung Cong Nghe Blockchain Viet Address: No 39/48/44/28, Street 102, Tang Nhon Phu A Ward, Thu Duc City, Ho Chi Minh City Enterprise code: 0317471230 Phone: 0944223879 Representative: Tran Manh Huy Adress: 24 Ngo Nhan Tinh, Hoa An Ward, Cam Le District, Da Nang City Tang Nhon Phu A Ward, Thu Duc District, Ho Chi Minh CityFounding date: 13 - 9 - 2022