Gemstone Viet Nam LTD Address: Long Son Hamlet, Phung Chau Commune, Chuong My District, Ha Noi City Enterprise code: 0109158651 Phone: 02462500016 Representative: Le Van Nam Adress: Khu TDC X4, Civil Group 9, Viet Hung Ward, Long Bien District, Ha Noi City Phung Chau Commune, Chuong My District, Ha Noi CityFounding date: 14 - 4 - 2020