Hoang Sa Dai Duong Joint Stock Company Address: LK 9, O 15, Moi Van Khe Urban Area, La Khe Ward, Ha Dong District, Ha Noi City Enterprise code: 0105655317 Phone: 0979889817 Representative: Tran Van Ninh Adress: Hamlet 2, Hong Viet Commune, Dong Hung District, Thai Binh Province La Khe Ward, Ha Dong District, Ha Noi CityFounding date: 22 - 11 - 2011