Osl Eng Vina LTD Address: Zoom 211, 2nd Floor, Kim Anh Building, No 1, Lane 78, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0107963941 Phone: 0945792100 Representative: Wie Hwang Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 16 - 8 - 2017