Hoang Long Joint Stock Company Address: Khu 6, Tram Troi Town, Hoai Duc District, Ha Noi City Enterprise code: 0500537219 Phone: 0243668112 Representative: Vuong Tri Vi Adress: Khu 6, Tram Troi Town, Hoai Duc District, Ha Noi City Tram Troi Town, Hoai Duc District, Ha Noi CityFounding date: 8 - 11 - 2006