Dau Tu O To Sai Gon Joint Stock Company Address: 22 Le Van Chi, Linh Trung Ward, Thu Duc District, Ho Chi Minh City Enterprise code: 0312554758 Phone: 02837225179 Representative: Vo Kim Hien Adress: 31/9F Phan Huy Ich, Ward 12, Go Vap District, Ho Chi Minh City Linh Trung Ward, Thu Duc District, Ho Chi Minh CityFounding date: 19 - 11 - 2013