Van Phong Tong Cuc Tieu Chuan Do Luong Chat Luong Address: No 8, Hoang Quoc Viet Street, Cau Giay District, Ha Noi City Enterprise code: 0100773677 Phone: 0249423975; 0249423418 Representative: Tran Anh Tuan Adress: No 17 Hang Chinh, Hoan Kiem District, Ha Noi City Cau Giay District, Ha Noi CityFounding date: 23 - 10 - 1998