Ras Tech LTD Address: No 10, Lane 343, An Duong Vuong Street, Phu Thuong Ward, Tay Ho District, Ha Noi City Enterprise code: 0111396519 Phone: 0983023863 Representative: Nguyen Tien Binh Phu Thuong Ward, Tay Ho District, Ha Noi CityFounding date: 2 - 3 - 2026