Gratech LTD Address: O Floor So 04, Lane 09, De Daoi Qhon Baa Truong Street, Hoang Dieu Commune, Chuong My District, Ha Noi City Enterprise code: 0110242160 Phone: 02998573264 Representative: Le Hoc Phong Hoang Dieu Commune, Chuong My District, Ha Noi CityFounding date: 6 - 2 - 2023