Chi Nhanh Cong Ty TNHH Duy Khanh Address: 205/ A7, Lien Co Town, Quan Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 5100157081-001 Phone: 02198810051 Representative: Nguyen Dang Khoa Adress: Civil Group 11, Quang Trung Ward, Ha Giang City, Ha Giang Province Quan Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 8 - 12 - 2011