Gem Viet Nam Joint Stock Company Address: Manh Tan Hamlet, Thuy Lam Commune, Dong Anh District, Ha Noi City Enterprise code: 0106503243 Phone: 0978308635 Representative: Duong Van Binh Adress: Manh Tan Hamlet, Thuy Lam Commune, Dong Anh District, Ha Noi City Thuy Lam Commune, Dong Anh District, Ha Noi CityFounding date: 4 - 4 - 2014