Dau Tu Xay Dung Thuong Mai Dich Vu Van Tai Sen Vang Joint Stock Company Address: Hamlet 5, Phu Lien Hamlet, Hong Son Commune, My Duc District, Ha Noi City Enterprise code: 0111564724 Phone: 0966152158 Representative: Nguyen Tien Quynh Hong Son Commune, My Duc District, Ha Noi CityFounding date: 8 - 7 - 2026