Dau Tu Van Ha Joint Stock Company Address: No 6, Nguyen Huy Tu Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102375569 Phone: 0248211877 Representative: Nguyen Thi Ha Adress: 1/96, Lo Duc Street, Dong Mac Ward, Hai Ba Trung District, Ha Noi City Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 3 - 10 - 2007