Truong Son Dong LTD Address: Dong But Hamlet, Ngoc Liep Commune, Ngoc Liep Commune, Quoc Oai District, Ha Noi City Enterprise code: 0500456827 Phone: 0912286903 Adress: Cho Hamlet, Huu Bang Commune, Thach That District, Ha Noi City Ngoc Liep Commune, Quoc Oai District, Ha Noi CityFounding date: 28 - 10 - 2004