Xay Lap Va Thuong Mai Hoang Son Joint Stock Company Address: Cluster 1, Vinh Thanh Hamlet, Vinh Ngoc Commune, Dong Anh District, Ha Noi City Enterprise code: 0101941395 Phone: 0248810702 Representative: Lem Van Thang Adress: Muon Hamlet, Muong Hung Commune, Song Ma District, Son La Province Vinh Ngoc Commune, Dong Anh District, Ha Noi CityFounding date: 16 - 5 - 2006