Dau Tu Xay Dung Hai Hoang Joint Stock Company Address: Hamlet 7, Trung Chau Commune, Dan Phuong District, Ha Noi City Enterprise code: 0500472843 Phone: 0904818868 Representative: Dao Hung Dung Adress: Hamlet 5, Dong Quang Commune, Dong Hung District, Thai Binh Province Trung Chau Commune, Dan Phuong District, Ha Noi CityFounding date: 21 - 10 - 2005