Dau Tu Thuong Mai Va Xay Dung Long Son Joint Stock Company Address: No 18, Nguyen Huy Tu Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0106291888 Phone: 0983820548 Representative: Cao Minh Phuong Adress: Civil Group 12, Dong Anh Town, Dong Anh District, Ha Noi City Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 26 - 8 - 2013