Khao Sat Va Do Dac Ban Do VNS LTD Address: No 48, Lane 55, Tan Xuan Street, Dong Ngac Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111565407 Phone: 0822063588 Representative: Bui Van Vi Dong Ngac Ward, Bac Tu Liem District, Ha Noi CityFounding date: 9 - 7 - 2026