Thuong Mai Hoang Sa 636 Joint Stock Company Address: Hamlet 2, Cam Hamlet, Co Bi Commune, Gia Lam District, Ha Noi City Enterprise code: 0106517380 Phone: 02466862268 Representative: Le Thi Minh Khuynh Adress: Cam Hamlet, Co Bi Commune, Gia Lam District, Ha Noi City Co Bi Commune, Gia Lam District, Ha Noi CityFounding date: 21 - 4 - 2014