Thuong Mai Ky Thuat Duc Ngan LTD Address: No 56, Alley 41/1, O Cach Street, Civil Group 6, Duc Giang Ward, Long Bien District, Ha Noi City Enterprise code: 0110961398 Phone: 0984164271 Representative: Tran Thuy Duong Duc Giang Ward, Long Bien District, Ha Noi CityFounding date: 21 - 2 - 2025