Dau Tu Xay Dung Ha Son Joint Stock Company Address: 123 Tran Van Dang, Ward 11, District 3, Ho Chi Minh City Enterprise code: 0304127921 Phone: 082654731 Representative: Nguyen Tuan Duc Adress: 123 Tran Van Dang P.11, District 3, Ho Chi Minh City Ward 11, District 3, Ho Chi Minh CityFounding date: 20 - 12 - 2005