O To Nam Son LTD Address: No 261, Giai Phong Street, Dong Da District, Ha Noi City Enterprise code: 0104422831 Phone: 02436288038 Representative: Vu Huy Chinh Adress: Van Chanh Hamlet, Kinh Mon District, Hai Duong Province Dong Da District, Ha Noi CityFounding date: 4 - 2 - 2010