Our Patent and Certificate This is a patent and certificate that shows Nanozin’s special technology. business license venture business confirmation Corporate research institute accreditation Small and medium enterprise confirmation letter Patent registration number, 10-1816623 Patent registration number, 10-2015890 Patent registration number, 10-1899025 Patent registration number, 10-1984192 Patent registration number, 10-2632256 MIST BEAD MIST BEAD