Ky Thuat Ban Dan Viet Nam LTD Address: No 14, Alley 41/12, Tran Quoc Hoan Street, Phuong, Cau Giay District, Ha Noi City Enterprise code: 0111629072 Phone: 0961568602 Representative: Chu Kien Quoc Cau Giay Ward, Nam Tu Liem District, Ha Noi CityFounding date: 14 - 9 - 2026