Hoa Chat Ngoc Khang LTD Address: 6th Floor, Sannam Building, No 78, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0107987639 Phone: 0969950688 Representative: Nguyen Van Trang Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 7 - 9 - 2017