Khac Dau Hoang Nguyen LTD Address: 4th Floor, No 52, Vinh Phuc Street, Ngoc Ha Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111225168 Phone: 0973165605 Representative: Le Minh Cong Ha Noi CityFounding date: 21 - 9 - 2025