Hop Tac Xa Cong Nghiep Hoang Hai Address: 25, Nguyen Cong Tru Lane, Dong Nhan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0100775138 Phone: 0249714616 Representative: Nguyen The Binh Adress: 50 9 Thanh Nhan Civil Group, Hai Ba Trung District, Ha Noi City Dong Nhan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 14 - 12 - 1998