Cong Nghe Blockchain San Ho Do LTD Address: 558 Truong Sa, Ward 02, Phu Nhuan District, Ho Chi Minh City Enterprise code: 0314943252 Phone: 0903754499 Representative: Le Thanh Tai Ward 2, Phu Nhuan District, Ho Chi Minh CityFounding date: 23 - 3 - 2018