Hoang Ha. LTD Address: Cong Nghiep Yen Nghia Cluster, Yen Nghia Ward, Ha Dong District, Ha Noi City Enterprise code: 0500399618 Phone: 02433501096 Representative: Dang Manh Ha Adress: B20, TT5, Van Quan Urban Area, Phuc La Ward, Ha Dong District, Ha Noi City Yen Nghia Ward, Ha Dong District, Ha Noi CityFounding date: 8 - 5 - 2001